Home / 90,227,999.52-124,511,417.19-51,068,935.28

Finding the Fourth Proportional to 90,227,999.52, 124,511,417.19 and 51,068,935.28

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Solution

The fourth proportional to 90,227,999.52, 124,511,417.19 and 51,068,935.28 is: 70,473,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,999.52 : 124,511,417.19 = 51,068,935.28 : x
  2. Step 2: Convert to fraction form
    90,227,999.52/124,511,417.19 = 51,068,935.28/x
  3. Step 3: Cross multiply
    90,227,999.52x = 124,511,417.19 × 51,068,935.28
  4. Step 4: Simplify right side
    90,227,999.52x = 6,358,665,506,408,468
  5. Step 5: Solve for x
    x = 6,358,665,506,408,468/90,227,999.52
  6. Step 6: Final answer
    x = 70,473,306.96

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1.5x scale

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.