Home / 55,777,112.10-83,665,668.15-15,387,531.30

Finding the Fourth Proportional to 55,777,112.10, 83,665,668.15 and 15,387,531.30

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Solution

The fourth proportional to 55,777,112.10, 83,665,668.15 and 15,387,531.30 is: 23,081,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,112.10 : 83,665,668.15 = 15,387,531.30 : x
  2. Step 2: Convert to fraction form
    55,777,112.10/83,665,668.15 = 15,387,531.30/x
  3. Step 3: Cross multiply
    55,777,112.10x = 83,665,668.15 × 15,387,531.30
  4. Step 4: Simplify right side
    55,777,112.10x = 1,287,408,087,393,538.25
  5. Step 5: Solve for x
    x = 1,287,408,087,393,538.25/55,777,112.10
  6. Step 6: Final answer
    x = 23,081,296.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.