Home / 149,467,517.20-224,236,705.20-76,695,529.60

Finding the Fourth Proportional to 149,467,517.20, 224,236,705.20 and 76,695,529.60

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Solution

The fourth proportional to 149,467,517.20, 224,236,705.20 and 76,695,529.60 is: 115,061,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,467,517.20 : 224,236,705.20 = 76,695,529.60 : x
  2. Step 2: Convert to fraction form
    149,467,517.20/224,236,705.20 = 76,695,529.60/x
  3. Step 3: Cross multiply
    149,467,517.20x = 224,236,705.20 × 76,695,529.60
  4. Step 4: Simplify right side
    149,467,517.20x = 17,197,952,861,073,072
  5. Step 5: Solve for x
    x = 17,197,952,861,073,072/149,467,517.20
  6. Step 6: Final answer
    x = 115,061,474.11

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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.