Home / 99,743,043.20-149,331,129.60-88,405,635.20

Finding the Fourth Proportional to 99,743,043.20, 149,331,129.60 and 88,405,635.20

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Solution

The fourth proportional to 99,743,043.20, 149,331,129.60 and 88,405,635.20 is: 132,357,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,043.20 : 149,331,129.60 = 88,405,635.20 : x
  2. Step 2: Convert to fraction form
    99,743,043.20/149,331,129.60 = 88,405,635.20/x
  3. Step 3: Cross multiply
    99,743,043.20x = 149,331,129.60 × 88,405,635.20
  4. Step 4: Simplify right side
    99,743,043.20x = 13,201,713,367,421,522
  5. Step 5: Solve for x
    x = 13,201,713,367,421,522/99,743,043.20
  6. Step 6: Final answer
    x = 132,357,234.59

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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.