Home / 109,136,092.60-163,704,138.90-54,557,101.90

Finding the Fourth Proportional to 109,136,092.60, 163,704,138.90 and 54,557,101.90

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Solution

The fourth proportional to 109,136,092.60, 163,704,138.90 and 54,557,101.90 is: 81,835,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136,092.60 : 163,704,138.90 = 54,557,101.90 : x
  2. Step 2: Convert to fraction form
    109,136,092.60/163,704,138.90 = 54,557,101.90/x
  3. Step 3: Cross multiply
    109,136,092.60x = 163,704,138.90 × 54,557,101.90
  4. Step 4: Simplify right side
    109,136,092.60x = 8,931,223,387,419,054
  5. Step 5: Solve for x
    x = 8,931,223,387,419,054/109,136,092.60
  6. Step 6: Final answer
    x = 81,835,652.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.