Home / 171,034,980.40-256,552,470.60-149,511,619.90

Finding the Fourth Proportional to 171,034,980.40, 256,552,470.60 and 149,511,619.90

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Solution

The fourth proportional to 171,034,980.40, 256,552,470.60 and 149,511,619.90 is: 224,267,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,034,980.40 : 256,552,470.60 = 149,511,619.90 : x
  2. Step 2: Convert to fraction form
    171,034,980.40/256,552,470.60 = 149,511,619.90/x
  3. Step 3: Cross multiply
    171,034,980.40x = 256,552,470.60 × 149,511,619.90
  4. Step 4: Simplify right side
    171,034,980.40x = 38,357,575,468,753,128
  5. Step 5: Solve for x
    x = 38,357,575,468,753,128/171,034,980.40
  6. Step 6: Final answer
    x = 224,267,429.85

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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.