Home / 80,884,972.45-121,315,499.38-29,755,033.84

Finding the Fourth Proportional to 80,884,972.45, 121,315,499.38 and 29,755,033.84

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Solution

The fourth proportional to 80,884,972.45, 121,315,499.38 and 29,755,033.84 is: 44,628,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884,972.45 : 121,315,499.38 = 29,755,033.84 : x
  2. Step 2: Convert to fraction form
    80,884,972.45/121,315,499.38 = 29,755,033.84/x
  3. Step 3: Cross multiply
    80,884,972.45x = 121,315,499.38 × 29,755,033.84
  4. Step 4: Simplify right side
    80,884,972.45x = 3,609,746,789,368,399
  5. Step 5: Solve for x
    x = 3,609,746,789,368,399/80,884,972.45
  6. Step 6: Final answer
    x = 44,628,151.31

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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.