Home / 72,941,760.83-100,659,328.97-39,451,277.29

Finding the Fourth Proportional to 72,941,760.83, 100,659,328.97 and 39,451,277.29

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Solution

The fourth proportional to 72,941,760.83, 100,659,328.97 and 39,451,277.29 is: 54,442,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,941,760.83 : 100,659,328.97 = 39,451,277.29 : x
  2. Step 2: Convert to fraction form
    72,941,760.83/100,659,328.97 = 39,451,277.29/x
  3. Step 3: Cross multiply
    72,941,760.83x = 100,659,328.97 × 39,451,277.29
  4. Step 4: Simplify right side
    72,941,760.83x = 3,971,139,098,616,131
  5. Step 5: Solve for x
    x = 3,971,139,098,616,131/72,941,760.83
  6. Step 6: Final answer
    x = 54,442,599.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.