Home / 137,712,773.70-206,569,160.55-129,820,874.85

Finding the Fourth Proportional to 137,712,773.70, 206,569,160.55 and 129,820,874.85

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Solution

The fourth proportional to 137,712,773.70, 206,569,160.55 and 129,820,874.85 is: 194,731,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712,773.70 : 206,569,160.55 = 129,820,874.85 : x
  2. Step 2: Convert to fraction form
    137,712,773.70/206,569,160.55 = 129,820,874.85/x
  3. Step 3: Cross multiply
    137,712,773.70x = 206,569,160.55 × 129,820,874.85
  4. Step 4: Simplify right side
    137,712,773.70x = 26,816,989,139,631,108
  5. Step 5: Solve for x
    x = 26,816,989,139,631,108/137,712,773.70
  6. Step 6: Final answer
    x = 194,731,312.28

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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.