Home / 431,727,081.55-647,635,986.17-140,616,873.16

Finding the Fourth Proportional to 431,727,081.55, 647,635,986.17 and 140,616,873.16

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Solution

The fourth proportional to 431,727,081.55, 647,635,986.17 and 140,616,873.16 is: 210,940,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,727,081.55 : 647,635,986.17 = 140,616,873.16 : x
  2. Step 2: Convert to fraction form
    431,727,081.55/647,635,986.17 = 140,616,873.16/x
  3. Step 3: Cross multiply
    431,727,081.55x = 647,635,986.17 × 140,616,873.16
  4. Step 4: Simplify right side
    431,727,081.55x = 91,068,547,321,469,952
  5. Step 5: Solve for x
    x = 91,068,547,321,469,952/431,727,081.55
  6. Step 6: Final answer
    x = 210,940,085.10

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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.