Home / 80,636,998.80-120,955,498.20-29,502,022.80

Finding the Fourth Proportional to 80,636,998.80, 120,955,498.20 and 29,502,022.80

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Solution

The fourth proportional to 80,636,998.80, 120,955,498.20 and 29,502,022.80 is: 44,253,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,636,998.80 : 120,955,498.20 = 29,502,022.80 : x
  2. Step 2: Convert to fraction form
    80,636,998.80/120,955,498.20 = 29,502,022.80/x
  3. Step 3: Cross multiply
    80,636,998.80x = 120,955,498.20 × 29,502,022.80
  4. Step 4: Simplify right side
    80,636,998.80x = 3,568,431,865,681,759
  5. Step 5: Solve for x
    x = 3,568,431,865,681,759/80,636,998.80
  6. Step 6: Final answer
    x = 44,253,034.20

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1.5x scale

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.