Home / 151,005,457.60-225,405,789.12-129,577,756.48

Finding the Fourth Proportional to 151,005,457.60, 225,405,789.12 and 129,577,756.48

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Solution

The fourth proportional to 151,005,457.60, 225,405,789.12 and 129,577,756.48 is: 193,420,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005,457.60 : 225,405,789.12 = 129,577,756.48 : x
  2. Step 2: Convert to fraction form
    151,005,457.60/225,405,789.12 = 129,577,756.48/x
  3. Step 3: Cross multiply
    151,005,457.60x = 225,405,789.12 × 129,577,756.48
  4. Step 4: Simplify right side
    151,005,457.60x = 29,207,576,451,773,596
  5. Step 5: Solve for x
    x = 29,207,576,451,773,596/151,005,457.60
  6. Step 6: Final answer
    x = 193,420,667.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.