Home / 71,244,724.52-98,309,425.38-39,884,490.74

Finding the Fourth Proportional to 71,244,724.52, 98,309,425.38 and 39,884,490.74

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Solution

The fourth proportional to 71,244,724.52, 98,309,425.38 and 39,884,490.74 is: 55,035,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244,724.52 : 98,309,425.38 = 39,884,490.74 : x
  2. Step 2: Convert to fraction form
    71,244,724.52/98,309,425.38 = 39,884,490.74/x
  3. Step 3: Cross multiply
    71,244,724.52x = 98,309,425.38 × 39,884,490.74
  4. Step 4: Simplify right side
    71,244,724.52x = 3,921,021,366,223,331
  5. Step 5: Solve for x
    x = 3,921,021,366,223,331/71,244,724.52
  6. Step 6: Final answer
    x = 55,035,953.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.