Home / 123,706,426.32-170,704,912.52-71,498,843.44

Finding the Fourth Proportional to 123,706,426.32, 170,704,912.52 and 71,498,843.44

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Solution

The fourth proportional to 123,706,426.32, 170,704,912.52 and 71,498,843.44 is: 98,662,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706,426.32 : 170,704,912.52 = 71,498,843.44 : x
  2. Step 2: Convert to fraction form
    123,706,426.32/170,704,912.52 = 71,498,843.44/x
  3. Step 3: Cross multiply
    123,706,426.32x = 170,704,912.52 × 71,498,843.44
  4. Step 4: Simplify right side
    123,706,426.32x = 12,205,203,814,706,376
  5. Step 5: Solve for x
    x = 12,205,203,814,706,376/123,706,426.32
  6. Step 6: Final answer
    x = 98,662,649.77

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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.