Home / 137,632,727.61-189,933,153.39-74,909,275.11

Finding the Fourth Proportional to 137,632,727.61, 189,933,153.39 and 74,909,275.11

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Solution

The fourth proportional to 137,632,727.61, 189,933,153.39 and 74,909,275.11 is: 103,374,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,632,727.61 : 189,933,153.39 = 74,909,275.11 : x
  2. Step 2: Convert to fraction form
    137,632,727.61/189,933,153.39 = 74,909,275.11/x
  3. Step 3: Cross multiply
    137,632,727.61x = 189,933,153.39 × 74,909,275.11
  4. Step 4: Simplify right side
    137,632,727.61x = 14,227,754,839,801,338
  5. Step 5: Solve for x
    x = 14,227,754,839,801,338/137,632,727.61
  6. Step 6: Final answer
    x = 103,374,793.82

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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.