Home / 109,512,149.10-164,268,223.65-66,429,998.70

Finding the Fourth Proportional to 109,512,149.10, 164,268,223.65 and 66,429,998.70

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Solution

The fourth proportional to 109,512,149.10, 164,268,223.65 and 66,429,998.70 is: 99,644,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512,149.10 : 164,268,223.65 = 66,429,998.70 : x
  2. Step 2: Convert to fraction form
    109,512,149.10/164,268,223.65 = 66,429,998.70/x
  3. Step 3: Cross multiply
    109,512,149.10x = 164,268,223.65 × 66,429,998.70
  4. Step 4: Simplify right side
    109,512,149.10x = 10,912,337,883,520,810
  5. Step 5: Solve for x
    x = 10,912,337,883,520,810/109,512,149.10
  6. Step 6: Final answer
    x = 99,644,998.05

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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.