Home / 102,205,641.60-141,045,919.92-55,797,851.52

Finding the Fourth Proportional to 102,205,641.60, 141,045,919.92 and 55,797,851.52

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Solution

The fourth proportional to 102,205,641.60, 141,045,919.92 and 55,797,851.52 is: 77,002,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,205,641.60 : 141,045,919.92 = 55,797,851.52 : x
  2. Step 2: Convert to fraction form
    102,205,641.60/141,045,919.92 = 55,797,851.52/x
  3. Step 3: Cross multiply
    102,205,641.60x = 141,045,919.92 × 55,797,851.52
  4. Step 4: Simplify right side
    102,205,641.60x = 7,870,059,297,197,970
  5. Step 5: Solve for x
    x = 7,870,059,297,197,970/102,205,641.60
  6. Step 6: Final answer
    x = 77,002,200.41

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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.