Home / 146,940,000.30-220,410,000.45-129,024,096.30

Finding the Fourth Proportional to 146,940,000.30, 220,410,000.45 and 129,024,096.30

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Solution

The fourth proportional to 146,940,000.30, 220,410,000.45 and 129,024,096.30 is: 193,536,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,940,000.30 : 220,410,000.45 = 129,024,096.30 : x
  2. Step 2: Convert to fraction form
    146,940,000.30/220,410,000.45 = 129,024,096.30/x
  3. Step 3: Cross multiply
    146,940,000.30x = 220,410,000.45 × 129,024,096.30
  4. Step 4: Simplify right side
    146,940,000.30x = 28,438,201,123,543,840
  5. Step 5: Solve for x
    x = 28,438,201,123,543,840/146,940,000.30
  6. Step 6: Final answer
    x = 193,536,144.45

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1.5x scale

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.