Home / 99,652,285.20-149,478,427.80-45,904,573.20

Finding the Fourth Proportional to 99,652,285.20, 149,478,427.80 and 45,904,573.20

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Solution

The fourth proportional to 99,652,285.20, 149,478,427.80 and 45,904,573.20 is: 68,856,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,285.20 : 149,478,427.80 = 45,904,573.20 : x
  2. Step 2: Convert to fraction form
    99,652,285.20/149,478,427.80 = 45,904,573.20/x
  3. Step 3: Cross multiply
    99,652,285.20x = 149,478,427.80 × 45,904,573.20
  4. Step 4: Simplify right side
    99,652,285.20x = 6,861,743,430,766,016
  5. Step 5: Solve for x
    x = 6,861,743,430,766,016/99,652,285.20
  6. Step 6: Final answer
    x = 68,856,859.80

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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.