Home / 123,160,589.88-169,962,064.56-66,645,336

Finding the Fourth Proportional to 123,160,589.88, 169,962,064.56 and 66,645,336

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Solution

The fourth proportional to 123,160,589.88, 169,962,064.56 and 66,645,336 is: 91,970,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160,589.88 : 169,962,064.56 = 66,645,336 : x
  2. Step 2: Convert to fraction form
    123,160,589.88/169,962,064.56 = 66,645,336/x
  3. Step 3: Cross multiply
    123,160,589.88x = 169,962,064.56 × 66,645,336
  4. Step 4: Simplify right side
    123,160,589.88x = 11,327,178,899,854,892
  5. Step 5: Solve for x
    x = 11,327,178,899,854,892/123,160,589.88
  6. Step 6: Final answer
    x = 91,970,807.47

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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.