Home / 91,861,567.20-137,792,350.80-40,843,231.20

Finding the Fourth Proportional to 91,861,567.20, 137,792,350.80 and 40,843,231.20

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Solution

The fourth proportional to 91,861,567.20, 137,792,350.80 and 40,843,231.20 is: 61,264,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,861,567.20 : 137,792,350.80 = 40,843,231.20 : x
  2. Step 2: Convert to fraction form
    91,861,567.20/137,792,350.80 = 40,843,231.20/x
  3. Step 3: Cross multiply
    91,861,567.20x = 137,792,350.80 × 40,843,231.20
  4. Step 4: Simplify right side
    91,861,567.20x = 5,627,884,841,315,906
  5. Step 5: Solve for x
    x = 5,627,884,841,315,906/91,861,567.20
  6. Step 6: Final answer
    x = 61,264,846.80

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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.