Home / 111,487,850.10-167,231,775.15-72,745,801.20

Finding the Fourth Proportional to 111,487,850.10, 167,231,775.15 and 72,745,801.20

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Solution

The fourth proportional to 111,487,850.10, 167,231,775.15 and 72,745,801.20 is: 109,118,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,850.10 : 167,231,775.15 = 72,745,801.20 : x
  2. Step 2: Convert to fraction form
    111,487,850.10/167,231,775.15 = 72,745,801.20/x
  3. Step 3: Cross multiply
    111,487,850.10x = 167,231,775.15 × 72,745,801.20
  4. Step 4: Simplify right side
    111,487,850.10x = 12,165,409,469,385,002
  5. Step 5: Solve for x
    x = 12,165,409,469,385,002/111,487,850.10
  6. Step 6: Final answer
    x = 109,118,701.80

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1.5x scale

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.