Home / 118,088,167.60-177,132,251.40-72,502,145.20

Finding the Fourth Proportional to 118,088,167.60, 177,132,251.40 and 72,502,145.20

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Solution

The fourth proportional to 118,088,167.60, 177,132,251.40 and 72,502,145.20 is: 108,753,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088,167.60 : 177,132,251.40 = 72,502,145.20 : x
  2. Step 2: Convert to fraction form
    118,088,167.60/177,132,251.40 = 72,502,145.20/x
  3. Step 3: Cross multiply
    118,088,167.60x = 177,132,251.40 × 72,502,145.20
  4. Step 4: Simplify right side
    118,088,167.60x = 12,842,468,210,605,704
  5. Step 5: Solve for x
    x = 12,842,468,210,605,704/118,088,167.60
  6. Step 6: Final answer
    x = 108,753,217.80

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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.