Home / 149,487,790.80-224,231,686.20-68,866,222.80

Finding the Fourth Proportional to 149,487,790.80, 224,231,686.20 and 68,866,222.80

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Solution

The fourth proportional to 149,487,790.80, 224,231,686.20 and 68,866,222.80 is: 103,299,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,487,790.80 : 224,231,686.20 = 68,866,222.80 : x
  2. Step 2: Convert to fraction form
    149,487,790.80/224,231,686.20 = 68,866,222.80/x
  3. Step 3: Cross multiply
    149,487,790.80x = 224,231,686.20 × 68,866,222.80
  4. Step 4: Simplify right side
    149,487,790.80x = 15,441,989,260,668,884
  5. Step 5: Solve for x
    x = 15,441,989,260,668,884/149,487,790.80
  6. Step 6: Final answer
    x = 103,299,334.20

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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.