Home / 87,168,088.40-130,752,132.60-56,935,000.40

Finding the Fourth Proportional to 87,168,088.40, 130,752,132.60 and 56,935,000.40

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Solution

The fourth proportional to 87,168,088.40, 130,752,132.60 and 56,935,000.40 is: 85,402,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168,088.40 : 130,752,132.60 = 56,935,000.40 : x
  2. Step 2: Convert to fraction form
    87,168,088.40/130,752,132.60 = 56,935,000.40/x
  3. Step 3: Cross multiply
    87,168,088.40x = 130,752,132.60 × 56,935,000.40
  4. Step 4: Simplify right side
    87,168,088.40x = 7,444,372,721,881,853
  5. Step 5: Solve for x
    x = 7,444,372,721,881,853/87,168,088.40
  6. Step 6: Final answer
    x = 85,402,500.60

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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.