Home / 91,632,393.80-137,448,590.70-40,488,086.60

Finding the Fourth Proportional to 91,632,393.80, 137,448,590.70 and 40,488,086.60

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Solution

The fourth proportional to 91,632,393.80, 137,448,590.70 and 40,488,086.60 is: 60,732,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632,393.80 : 137,448,590.70 = 40,488,086.60 : x
  2. Step 2: Convert to fraction form
    91,632,393.80/137,448,590.70 = 40,488,086.60/x
  3. Step 3: Cross multiply
    91,632,393.80x = 137,448,590.70 × 40,488,086.60
  4. Step 4: Simplify right side
    91,632,393.80x = 5,565,030,443,309,554
  5. Step 5: Solve for x
    x = 5,565,030,443,309,554/91,632,393.80
  6. Step 6: Final answer
    x = 60,732,129.90

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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.