Home / 137,712,803.70-206,569,205.55-129,820,904.85

Finding the Fourth Proportional to 137,712,803.70, 206,569,205.55 and 129,820,904.85

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Solution

The fourth proportional to 137,712,803.70, 206,569,205.55 and 129,820,904.85 is: 194,731,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712,803.70 : 206,569,205.55 = 129,820,904.85 : x
  2. Step 2: Convert to fraction form
    137,712,803.70/206,569,205.55 = 129,820,904.85/x
  3. Step 3: Cross multiply
    137,712,803.70x = 206,569,205.55 × 129,820,904.85
  4. Step 4: Simplify right side
    137,712,803.70x = 26,817,001,178,646,644
  5. Step 5: Solve for x
    x = 26,817,001,178,646,644/137,712,803.70
  6. Step 6: Final answer
    x = 194,731,357.28

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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.