Home / 90,238,835,237.40-135,358,252,856.10-48,397,422,425.40

Finding the Fourth Proportional to 90,238,835,237.40, 135,358,252,856.10 and 48,397,422,425.40

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Solution

The fourth proportional to 90,238,835,237.40, 135,358,252,856.10 and 48,397,422,425.40 is: 72,596,133,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238,835,237.40 : 135,358,252,856.10 = 48,397,422,425.40 : x
  2. Step 2: Convert to fraction form
    90,238,835,237.40/135,358,252,856.10 = 48,397,422,425.40/x
  3. Step 3: Cross multiply
    90,238,835,237.40x = 135,358,252,856.10 × 48,397,422,425.40
  4. Step 4: Simplify right side
    90,238,835,237.40x = 6,550,990,542,240,778,027,008
  5. Step 5: Solve for x
    x = 6,550,990,542,240,778,027,008/90,238,835,237.40
  6. Step 6: Final answer
    x = 72,596,133,638.10

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Double scale
Find fourth proportional to 90,238,835,238.40, 135,358,252,857.60 and 48,397,422,426.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.