Home / 121,731,817.92-182,166,694.28-75,695,365.88

Finding the Fourth Proportional to 121,731,817.92, 182,166,694.28 and 75,695,365.88

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Solution

The fourth proportional to 121,731,817.92, 182,166,694.28 and 75,695,365.88 is: 113,275,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,731,817.92 : 182,166,694.28 = 75,695,365.88 : x
  2. Step 2: Convert to fraction form
    121,731,817.92/182,166,694.28 = 75,695,365.88/x
  3. Step 3: Cross multiply
    121,731,817.92x = 182,166,694.28 × 75,695,365.88
  4. Step 4: Simplify right side
    121,731,817.92x = 13,789,174,574,674,702
  5. Step 5: Solve for x
    x = 13,789,174,574,674,702/121,731,817.92
  6. Step 6: Final answer
    x = 113,275,023.82

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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.