Home / 168,502,030.20-252,753,045.30-139,276,711.80

Finding the Fourth Proportional to 168,502,030.20, 252,753,045.30 and 139,276,711.80

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Solution

The fourth proportional to 168,502,030.20, 252,753,045.30 and 139,276,711.80 is: 208,915,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,030.20 : 252,753,045.30 = 139,276,711.80 : x
  2. Step 2: Convert to fraction form
    168,502,030.20/252,753,045.30 = 139,276,711.80/x
  3. Step 3: Cross multiply
    168,502,030.20x = 252,753,045.30 × 139,276,711.80
  4. Step 4: Simplify right side
    168,502,030.20x = 35,202,613,046,820,448
  5. Step 5: Solve for x
    x = 35,202,613,046,820,448/168,502,030.20
  6. Step 6: Final answer
    x = 208,915,067.70

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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.