Home / 72,114,143.51-108,279,275.03-62,428,631.28

Finding the Fourth Proportional to 72,114,143.51, 108,279,275.03 and 62,428,631.28

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Solution

The fourth proportional to 72,114,143.51, 108,279,275.03 and 62,428,631.28 is: 93,736,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,143.51 : 108,279,275.03 = 62,428,631.28 : x
  2. Step 2: Convert to fraction form
    72,114,143.51/108,279,275.03 = 62,428,631.28/x
  3. Step 3: Cross multiply
    72,114,143.51x = 108,279,275.03 × 62,428,631.28
  4. Step 4: Simplify right side
    72,114,143.51x = 6,759,726,935,801,438
  5. Step 5: Solve for x
    x = 6,759,726,935,801,438/72,114,143.51
  6. Step 6: Final answer
    x = 93,736,493.39

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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.