Home / 72,227,003.68-108,155,536.35-39,842,913.70

Finding the Fourth Proportional to 72,227,003.68, 108,155,536.35 and 39,842,913.70

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Solution

The fourth proportional to 72,227,003.68, 108,155,536.35 and 39,842,913.70 is: 59,662,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,227,003.68 : 108,155,536.35 = 39,842,913.70 : x
  2. Step 2: Convert to fraction form
    72,227,003.68/108,155,536.35 = 39,842,913.70/x
  3. Step 3: Cross multiply
    72,227,003.68x = 108,155,536.35 × 39,842,913.70
  4. Step 4: Simplify right side
    72,227,003.68x = 4,309,231,700,970,263
  5. Step 5: Solve for x
    x = 4,309,231,700,970,263/72,227,003.68
  6. Step 6: Final answer
    x = 59,662,335.16

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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.