Home / 99,245,215.20-149,027,255.10-75,011,505.60

Finding the Fourth Proportional to 99,245,215.20, 149,027,255.10 and 75,011,505.60

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Solution

The fourth proportional to 99,245,215.20, 149,027,255.10 and 75,011,505.60 is: 112,637,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,245,215.20 : 149,027,255.10 = 75,011,505.60 : x
  2. Step 2: Convert to fraction form
    99,245,215.20/149,027,255.10 = 75,011,505.60/x
  3. Step 3: Cross multiply
    99,245,215.20x = 149,027,255.10 × 75,011,505.60
  4. Step 4: Simplify right side
    99,245,215.20x = 11,178,758,780,486,278
  5. Step 5: Solve for x
    x = 11,178,758,780,486,278/99,245,215.20
  6. Step 6: Final answer
    x = 112,637,760.50

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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.