Home / 198,976,519.32-298,632,478.14-84,043,545.72

Finding the Fourth Proportional to 198,976,519.32, 298,632,478.14 and 84,043,545.72

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Solution

The fourth proportional to 198,976,519.32, 298,632,478.14 and 84,043,545.72 is: 126,136,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,976,519.32 : 298,632,478.14 = 84,043,545.72 : x
  2. Step 2: Convert to fraction form
    198,976,519.32/298,632,478.14 = 84,043,545.72/x
  3. Step 3: Cross multiply
    198,976,519.32x = 298,632,478.14 × 84,043,545.72
  4. Step 4: Simplify right side
    198,976,519.32x = 25,098,132,330,035,988
  5. Step 5: Solve for x
    x = 25,098,132,330,035,988/198,976,519.32
  6. Step 6: Final answer
    x = 126,136,151.22

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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.