Home / 137,896,242.10-206,844,363.15-80,453,374.90

Finding the Fourth Proportional to 137,896,242.10, 206,844,363.15 and 80,453,374.90

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Solution

The fourth proportional to 137,896,242.10, 206,844,363.15 and 80,453,374.90 is: 120,680,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,896,242.10 : 206,844,363.15 = 80,453,374.90 : x
  2. Step 2: Convert to fraction form
    137,896,242.10/206,844,363.15 = 80,453,374.90/x
  3. Step 3: Cross multiply
    137,896,242.10x = 206,844,363.15 × 80,453,374.90
  4. Step 4: Simplify right side
    137,896,242.10x = 16,641,327,094,458,696
  5. Step 5: Solve for x
    x = 16,641,327,094,458,696/137,896,242.10
  6. Step 6: Final answer
    x = 120,680,062.35

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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.