Home / 67,041,542.27-100,508,045.68-20,959,691.14

Finding the Fourth Proportional to 67,041,542.27, 100,508,045.68 and 20,959,691.14

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Solution

The fourth proportional to 67,041,542.27, 100,508,045.68 and 20,959,691.14 is: 31,422,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041,542.27 : 100,508,045.68 = 20,959,691.14 : x
  2. Step 2: Convert to fraction form
    67,041,542.27/100,508,045.68 = 20,959,691.14/x
  3. Step 3: Cross multiply
    67,041,542.27x = 100,508,045.68 × 20,959,691.14
  4. Step 4: Simplify right side
    67,041,542.27x = 2,106,617,594,537,811.50
  5. Step 5: Solve for x
    x = 2,106,617,594,537,811.50/67,041,542.27
  6. Step 6: Final answer
    x = 31,422,570.59

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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.