Home / 91,632,389.80-137,448,584.70-40,488,082.60

Finding the Fourth Proportional to 91,632,389.80, 137,448,584.70 and 40,488,082.60

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Solution

The fourth proportional to 91,632,389.80, 137,448,584.70 and 40,488,082.60 is: 60,732,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632,389.80 : 137,448,584.70 = 40,488,082.60 : x
  2. Step 2: Convert to fraction form
    91,632,389.80/137,448,584.70 = 40,488,082.60/x
  3. Step 3: Cross multiply
    91,632,389.80x = 137,448,584.70 × 40,488,082.60
  4. Step 4: Simplify right side
    91,632,389.80x = 5,565,029,650,586,696
  5. Step 5: Solve for x
    x = 5,565,029,650,586,696/91,632,389.80
  6. Step 6: Final answer
    x = 60,732,123.90

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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.