Home / 90,228,001.52-124,511,419.95-51,068,937.28

Finding the Fourth Proportional to 90,228,001.52, 124,511,419.95 and 51,068,937.28

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Solution

The fourth proportional to 90,228,001.52, 124,511,419.95 and 51,068,937.28 is: 70,473,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228,001.52 : 124,511,419.95 = 51,068,937.28 : x
  2. Step 2: Convert to fraction form
    90,228,001.52/124,511,419.95 = 51,068,937.28/x
  3. Step 3: Cross multiply
    90,228,001.52x = 124,511,419.95 × 51,068,937.28
  4. Step 4: Simplify right side
    90,228,001.52x = 6,358,665,896,070,291
  5. Step 5: Solve for x
    x = 6,358,665,896,070,291/90,228,001.52
  6. Step 6: Final answer
    x = 70,473,309.71

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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.