Home / 80,636,977.80-120,955,466.70-29,502,001.80

Finding the Fourth Proportional to 80,636,977.80, 120,955,466.70 and 29,502,001.80

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Solution

The fourth proportional to 80,636,977.80, 120,955,466.70 and 29,502,001.80 is: 44,253,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,636,977.80 : 120,955,466.70 = 29,502,001.80 : x
  2. Step 2: Convert to fraction form
    80,636,977.80/120,955,466.70 = 29,502,001.80/x
  3. Step 3: Cross multiply
    80,636,977.80x = 120,955,466.70 × 29,502,001.80
  4. Step 4: Simplify right side
    80,636,977.80x = 3,568,428,396,303,240
  5. Step 5: Solve for x
    x = 3,568,428,396,303,240/80,636,977.80
  6. Step 6: Final answer
    x = 44,253,002.70

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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.