Home / 91,861,567.70-137,792,351.55-40,843,231.70

Finding the Fourth Proportional to 91,861,567.70, 137,792,351.55 and 40,843,231.70

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Solution

The fourth proportional to 91,861,567.70, 137,792,351.55 and 40,843,231.70 is: 61,264,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,861,567.70 : 137,792,351.55 = 40,843,231.70 : x
  2. Step 2: Convert to fraction form
    91,861,567.70/137,792,351.55 = 40,843,231.70/x
  3. Step 3: Cross multiply
    91,861,567.70x = 137,792,351.55 × 40,843,231.70
  4. Step 4: Simplify right side
    91,861,567.70x = 5,627,884,940,844,505
  5. Step 5: Solve for x
    x = 5,627,884,940,844,505/91,861,567.70
  6. Step 6: Final answer
    x = 61,264,847.55

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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.