Home / 199,498,728.97-275,354,146.17-117,019,085.77

Finding the Fourth Proportional to 199,498,728.97, 275,354,146.17 and 117,019,085.77

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Solution

The fourth proportional to 199,498,728.97, 275,354,146.17 and 117,019,085.77 is: 161,513,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,498,728.97 : 275,354,146.17 = 117,019,085.77 : x
  2. Step 2: Convert to fraction form
    199,498,728.97/275,354,146.17 = 117,019,085.77/x
  3. Step 3: Cross multiply
    199,498,728.97x = 275,354,146.17 × 117,019,085.77
  4. Step 4: Simplify right side
    199,498,728.97x = 32,221,690,448,136,540
  5. Step 5: Solve for x
    x = 32,221,690,448,136,540/199,498,728.97
  6. Step 6: Final answer
    x = 161,513,261.84

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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.