Home / 100,897,603.28-139,238,691.25-54,487,853.10

Finding the Fourth Proportional to 100,897,603.28, 139,238,691.25 and 54,487,853.10

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Solution

The fourth proportional to 100,897,603.28, 139,238,691.25 and 54,487,853.10 is: 75,193,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,603.28 : 139,238,691.25 = 54,487,853.10 : x
  2. Step 2: Convert to fraction form
    100,897,603.28/139,238,691.25 = 54,487,853.10/x
  3. Step 3: Cross multiply
    100,897,603.28x = 139,238,691.25 × 54,487,853.10
  4. Step 4: Simplify right side
    100,897,603.28x = 7,586,817,354,530,036
  5. Step 5: Solve for x
    x = 7,586,817,354,530,036/100,897,603.28
  6. Step 6: Final answer
    x = 75,193,236.59

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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.