Home / 171,035,142.40-256,552,713.60-149,511,781.90

Finding the Fourth Proportional to 171,035,142.40, 256,552,713.60 and 149,511,781.90

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Solution

The fourth proportional to 171,035,142.40, 256,552,713.60 and 149,511,781.90 is: 224,267,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035,142.40 : 256,552,713.60 = 149,511,781.90 : x
  2. Step 2: Convert to fraction form
    171,035,142.40/256,552,713.60 = 149,511,781.90/x
  3. Step 3: Cross multiply
    171,035,142.40x = 256,552,713.60 × 149,511,781.90
  4. Step 4: Simplify right side
    171,035,142.40x = 38,357,653,361,616,368
  5. Step 5: Solve for x
    x = 38,357,653,361,616,368/171,035,142.40
  6. Step 6: Final answer
    x = 224,267,672.85

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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.