Home / 129,895,250.46-179,213,268.78-88,570,398.30

Finding the Fourth Proportional to 129,895,250.46, 179,213,268.78 and 88,570,398.30

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Solution

The fourth proportional to 129,895,250.46, 179,213,268.78 and 88,570,398.30 is: 122,198,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,895,250.46 : 179,213,268.78 = 88,570,398.30 : x
  2. Step 2: Convert to fraction form
    129,895,250.46/179,213,268.78 = 88,570,398.30/x
  3. Step 3: Cross multiply
    129,895,250.46x = 179,213,268.78 × 88,570,398.30
  4. Step 4: Simplify right side
    129,895,250.46x = 15,872,990,596,489,554
  5. Step 5: Solve for x
    x = 15,872,990,596,489,554/129,895,250.46
  6. Step 6: Final answer
    x = 122,198,390.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.