Home / 191,000,341.40-286,500,512.10-54,685,724.90

Finding the Fourth Proportional to 191,000,341.40, 286,500,512.10 and 54,685,724.90

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Solution

The fourth proportional to 191,000,341.40, 286,500,512.10 and 54,685,724.90 is: 82,028,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,000,341.40 : 286,500,512.10 = 54,685,724.90 : x
  2. Step 2: Convert to fraction form
    191,000,341.40/286,500,512.10 = 54,685,724.90/x
  3. Step 3: Cross multiply
    191,000,341.40x = 286,500,512.10 × 54,685,724.90
  4. Step 4: Simplify right side
    191,000,341.40x = 15,667,488,188,409,722
  5. Step 5: Solve for x
    x = 15,667,488,188,409,722/191,000,341.40
  6. Step 6: Final answer
    x = 82,028,587.35

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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.