Home / 137,671,382.16-206,446,474.08-72,960,025.86

Finding the Fourth Proportional to 137,671,382.16, 206,446,474.08 and 72,960,025.86

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Solution

The fourth proportional to 137,671,382.16, 206,446,474.08 and 72,960,025.86 is: 109,407,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,671,382.16 : 206,446,474.08 = 72,960,025.86 : x
  2. Step 2: Convert to fraction form
    137,671,382.16/206,446,474.08 = 72,960,025.86/x
  3. Step 3: Cross multiply
    137,671,382.16x = 206,446,474.08 × 72,960,025.86
  4. Step 4: Simplify right side
    137,671,382.16x = 15,062,340,087,582,620
  5. Step 5: Solve for x
    x = 15,062,340,087,582,620/137,671,382.16
  6. Step 6: Final answer
    x = 109,407,923.79

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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.