Home / 89,838,167.47-123,982,412.08-50,665,651.36

Finding the Fourth Proportional to 89,838,167.47, 123,982,412.08 and 50,665,651.36

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Solution

The fourth proportional to 89,838,167.47, 123,982,412.08 and 50,665,651.36 is: 69,921,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,838,167.47 : 123,982,412.08 = 50,665,651.36 : x
  2. Step 2: Convert to fraction form
    89,838,167.47/123,982,412.08 = 50,665,651.36/x
  3. Step 3: Cross multiply
    89,838,167.47x = 123,982,412.08 × 50,665,651.36
  4. Step 4: Simplify right side
    89,838,167.47x = 6,281,649,665,217,132
  5. Step 5: Solve for x
    x = 6,281,649,665,217,132/89,838,167.47
  6. Step 6: Final answer
    x = 69,921,836.59

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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.