Home / 74,748,787.20-112,123,180.80-54,593,395.20

Finding the Fourth Proportional to 74,748,787.20, 112,123,180.80 and 54,593,395.20

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Solution

The fourth proportional to 74,748,787.20, 112,123,180.80 and 54,593,395.20 is: 81,890,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,787.20 : 112,123,180.80 = 54,593,395.20 : x
  2. Step 2: Convert to fraction form
    74,748,787.20/112,123,180.80 = 54,593,395.20/x
  3. Step 3: Cross multiply
    74,748,787.20x = 112,123,180.80 × 54,593,395.20
  4. Step 4: Simplify right side
    74,748,787.20x = 6,121,185,120,495,452
  5. Step 5: Solve for x
    x = 6,121,185,120,495,452/74,748,787.20
  6. Step 6: Final answer
    x = 81,890,092.80

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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.