Home / 90,777,287.82-125,268,290.19-49,521,719.82

Finding the Fourth Proportional to 90,777,287.82, 125,268,290.19 and 49,521,719.82

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Solution

The fourth proportional to 90,777,287.82, 125,268,290.19 and 49,521,719.82 is: 68,337,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777,287.82 : 125,268,290.19 = 49,521,719.82 : x
  2. Step 2: Convert to fraction form
    90,777,287.82/125,268,290.19 = 49,521,719.82/x
  3. Step 3: Cross multiply
    90,777,287.82x = 125,268,290.19 × 49,521,719.82
  4. Step 4: Simplify right side
    90,777,287.82x = 6,203,501,169,119,634
  5. Step 5: Solve for x
    x = 6,203,501,169,119,634/90,777,287.82
  6. Step 6: Final answer
    x = 68,337,591.02

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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.