Home / 123,706,380.48-170,704,849.38-71,498,797.62

Finding the Fourth Proportional to 123,706,380.48, 170,704,849.38 and 71,498,797.62

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Solution

The fourth proportional to 123,706,380.48, 170,704,849.38 and 71,498,797.62 is: 98,662,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706,380.48 : 170,704,849.38 = 71,498,797.62 : x
  2. Step 2: Convert to fraction form
    123,706,380.48/170,704,849.38 = 71,498,797.62/x
  3. Step 3: Cross multiply
    123,706,380.48x = 170,704,849.38 × 71,498,797.62
  4. Step 4: Simplify right side
    123,706,380.48x = 12,205,191,478,573,202
  5. Step 5: Solve for x
    x = 12,205,191,478,573,202/123,706,380.48
  6. Step 6: Final answer
    x = 98,662,586.61

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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.