Home / 91,458,708.50-137,215,012.06-36,843,189.43

Finding the Fourth Proportional to 91,458,708.50, 137,215,012.06 and 36,843,189.43

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Solution

The fourth proportional to 91,458,708.50, 137,215,012.06 and 36,843,189.43 is: 55,275,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458,708.50 : 137,215,012.06 = 36,843,189.43 : x
  2. Step 2: Convert to fraction form
    91,458,708.50/137,215,012.06 = 36,843,189.43/x
  3. Step 3: Cross multiply
    91,458,708.50x = 137,215,012.06 × 36,843,189.43
  4. Step 4: Simplify right side
    91,458,708.50x = 5,055,438,681,966,315
  5. Step 5: Solve for x
    x = 5,055,438,681,966,315/91,458,708.50
  6. Step 6: Final answer
    x = 55,275,640.39

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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.