Home / 81,520,108.64-112,498,239.17-44,350,655.56

Finding the Fourth Proportional to 81,520,108.64, 112,498,239.17 and 44,350,655.56

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Solution

The fourth proportional to 81,520,108.64, 112,498,239.17 and 44,350,655.56 is: 61,204,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520,108.64 : 112,498,239.17 = 44,350,655.56 : x
  2. Step 2: Convert to fraction form
    81,520,108.64/112,498,239.17 = 44,350,655.56/x
  3. Step 3: Cross multiply
    81,520,108.64x = 112,498,239.17 × 44,350,655.56
  4. Step 4: Simplify right side
    81,520,108.64x = 4,989,370,656,364,801
  5. Step 5: Solve for x
    x = 4,989,370,656,364,801/81,520,108.64
  6. Step 6: Final answer
    x = 61,204,170.84

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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.