Home / 127,728,000.30-191,592,000.45-36,854,553.90

Finding the Fourth Proportional to 127,728,000.30, 191,592,000.45 and 36,854,553.90

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Solution

The fourth proportional to 127,728,000.30, 191,592,000.45 and 36,854,553.90 is: 55,281,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,728,000.30 : 191,592,000.45 = 36,854,553.90 : x
  2. Step 2: Convert to fraction form
    127,728,000.30/191,592,000.45 = 36,854,553.90/x
  3. Step 3: Cross multiply
    127,728,000.30x = 191,592,000.45 × 36,854,553.90
  4. Step 4: Simplify right side
    127,728,000.30x = 7,061,037,707,393,349
  5. Step 5: Solve for x
    x = 7,061,037,707,393,349/127,728,000.30
  6. Step 6: Final answer
    x = 55,281,830.85

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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.