Home / 124,192,575.28-171,386,887.31-68,439,996.09

Finding the Fourth Proportional to 124,192,575.28, 171,386,887.31 and 68,439,996.09

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Solution

The fourth proportional to 124,192,575.28, 171,386,887.31 and 68,439,996.09 is: 94,447,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,575.28 : 171,386,887.31 = 68,439,996.09 : x
  2. Step 2: Convert to fraction form
    124,192,575.28/171,386,887.31 = 68,439,996.09/x
  3. Step 3: Cross multiply
    124,192,575.28x = 171,386,887.31 × 68,439,996.09
  4. Step 4: Simplify right side
    124,192,575.28x = 11,729,717,896,877,638
  5. Step 5: Solve for x
    x = 11,729,717,896,877,638/124,192,575.28
  6. Step 6: Final answer
    x = 94,447,819.20

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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.