Home / 123,160,590.88-169,962,065.94-66,645,337

Finding the Fourth Proportional to 123,160,590.88, 169,962,065.94 and 66,645,337

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Solution

The fourth proportional to 123,160,590.88, 169,962,065.94 and 66,645,337 is: 91,970,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160,590.88 : 169,962,065.94 = 66,645,337 : x
  2. Step 2: Convert to fraction form
    123,160,590.88/169,962,065.94 = 66,645,337/x
  3. Step 3: Cross multiply
    123,160,590.88x = 169,962,065.94 × 66,645,337
  4. Step 4: Simplify right side
    123,160,590.88x = 11,327,179,161,787,522
  5. Step 5: Solve for x
    x = 11,327,179,161,787,522/123,160,590.88
  6. Step 6: Final answer
    x = 91,970,808.85

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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.