Home / 126,609,030.61-189,910,002.96-40,352,613.37

Finding the Fourth Proportional to 126,609,030.61, 189,910,002.96 and 40,352,613.37

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Solution

The fourth proportional to 126,609,030.61, 189,910,002.96 and 40,352,613.37 is: 60,527,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,030.61 : 189,910,002.96 = 40,352,613.37 : x
  2. Step 2: Convert to fraction form
    126,609,030.61/189,910,002.96 = 40,352,613.37/x
  3. Step 3: Cross multiply
    126,609,030.61x = 189,910,002.96 × 40,352,613.37
  4. Step 4: Simplify right side
    126,609,030.61x = 7,663,364,924,540,435
  5. Step 5: Solve for x
    x = 7,663,364,924,540,435/126,609,030.61
  6. Step 6: Final answer
    x = 60,527,790.85

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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.