Home / 112,887,131.17-169,392,414.36-43,802,658.85

Finding the Fourth Proportional to 112,887,131.17, 169,392,414.36 and 43,802,658.85

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Solution

The fourth proportional to 112,887,131.17, 169,392,414.36 and 43,802,658.85 is: 65,727,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887,131.17 : 169,392,414.36 = 43,802,658.85 : x
  2. Step 2: Convert to fraction form
    112,887,131.17/169,392,414.36 = 43,802,658.85/x
  3. Step 3: Cross multiply
    112,887,131.17x = 169,392,414.36 × 43,802,658.85
  4. Step 4: Simplify right side
    112,887,131.17x = 7,419,838,137,988,922
  5. Step 5: Solve for x
    x = 7,419,838,137,988,922/112,887,131.17
  6. Step 6: Final answer
    x = 65,727,936.05

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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.