Home / 168,502,496.40-252,753,744.60-139,781,062.80

Finding the Fourth Proportional to 168,502,496.40, 252,753,744.60 and 139,781,062.80

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Solution

The fourth proportional to 168,502,496.40, 252,753,744.60 and 139,781,062.80 is: 209,671,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,496.40 : 252,753,744.60 = 139,781,062.80 : x
  2. Step 2: Convert to fraction form
    168,502,496.40/252,753,744.60 = 139,781,062.80/x
  3. Step 3: Cross multiply
    168,502,496.40x = 252,753,744.60 × 139,781,062.80
  4. Step 4: Simplify right side
    168,502,496.40x = 35,330,187,046,867,764
  5. Step 5: Solve for x
    x = 35,330,187,046,867,764/168,502,496.40
  6. Step 6: Final answer
    x = 209,671,594.20

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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.