Home / 99,642,490.56-137,516,101.92-62,478,653.76

Finding the Fourth Proportional to 99,642,490.56, 137,516,101.92 and 62,478,653.76

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Solution

The fourth proportional to 99,642,490.56, 137,516,101.92 and 62,478,653.76 is: 86,226,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,490.56 : 137,516,101.92 = 62,478,653.76 : x
  2. Step 2: Convert to fraction form
    99,642,490.56/137,516,101.92 = 62,478,653.76/x
  3. Step 3: Cross multiply
    99,642,490.56x = 137,516,101.92 × 62,478,653.76
  4. Step 4: Simplify right side
    99,642,490.56x = 8,591,820,918,284,550
  5. Step 5: Solve for x
    x = 8,591,820,918,284,550/99,642,490.56
  6. Step 6: Final answer
    x = 86,226,476.98

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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.