Home / 205,126,841.80-307,690,262.70-61,519,673.80

Finding the Fourth Proportional to 205,126,841.80, 307,690,262.70 and 61,519,673.80

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Solution

The fourth proportional to 205,126,841.80, 307,690,262.70 and 61,519,673.80 is: 92,279,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126,841.80 : 307,690,262.70 = 61,519,673.80 : x
  2. Step 2: Convert to fraction form
    205,126,841.80/307,690,262.70 = 61,519,673.80/x
  3. Step 3: Cross multiply
    205,126,841.80x = 307,690,262.70 × 61,519,673.80
  4. Step 4: Simplify right side
    205,126,841.80x = 18,929,004,592,740,304
  5. Step 5: Solve for x
    x = 18,929,004,592,740,304/205,126,841.80
  6. Step 6: Final answer
    x = 92,279,510.70

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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.