Home / 198,981,498.76-274,590,790.28-108,455,769.64

Finding the Fourth Proportional to 198,981,498.76, 274,590,790.28 and 108,455,769.64

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Solution

The fourth proportional to 198,981,498.76, 274,590,790.28 and 108,455,769.64 is: 149,666,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,981,498.76 : 274,590,790.28 = 108,455,769.64 : x
  2. Step 2: Convert to fraction form
    198,981,498.76/274,590,790.28 = 108,455,769.64/x
  3. Step 3: Cross multiply
    198,981,498.76x = 274,590,790.28 × 108,455,769.64
  4. Step 4: Simplify right side
    198,981,498.76x = 29,780,955,497,158,348
  5. Step 5: Solve for x
    x = 29,780,955,497,158,348/198,981,498.76
  6. Step 6: Final answer
    x = 149,666,957.39

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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.