Home / 52,002,319.60-78,003,479.40-25,128,463.60

Finding the Fourth Proportional to 52,002,319.60, 78,003,479.40 and 25,128,463.60

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Solution

The fourth proportional to 52,002,319.60, 78,003,479.40 and 25,128,463.60 is: 37,692,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,319.60 : 78,003,479.40 = 25,128,463.60 : x
  2. Step 2: Convert to fraction form
    52,002,319.60/78,003,479.40 = 25,128,463.60/x
  3. Step 3: Cross multiply
    52,002,319.60x = 78,003,479.40 × 25,128,463.60
  4. Step 4: Simplify right side
    52,002,319.60x = 1,960,107,592,776,250
  5. Step 5: Solve for x
    x = 1,960,107,592,776,250/52,002,319.60
  6. Step 6: Final answer
    x = 37,692,695.40

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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.