Home / 99,629,200.80-149,471,794.80-48,512,887.20

Finding the Fourth Proportional to 99,629,200.80, 149,471,794.80 and 48,512,887.20

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Solution

The fourth proportional to 99,629,200.80, 149,471,794.80 and 48,512,887.20 is: 72,782,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,629,200.80 : 149,471,794.80 = 48,512,887.20 : x
  2. Step 2: Convert to fraction form
    99,629,200.80/149,471,794.80 = 48,512,887.20/x
  3. Step 3: Cross multiply
    99,629,200.80x = 149,471,794.80 × 48,512,887.20
  4. Step 4: Simplify right side
    99,629,200.80x = 7,251,308,320,713,948
  5. Step 5: Solve for x
    x = 7,251,308,320,713,948/99,629,200.80
  6. Step 6: Final answer
    x = 72,782,961.85

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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.