Home / 67,392,112.10-101,088,168.15-66,720,265.70

Finding the Fourth Proportional to 67,392,112.10, 101,088,168.15 and 66,720,265.70

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Solution

The fourth proportional to 67,392,112.10, 101,088,168.15 and 66,720,265.70 is: 100,080,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392,112.10 : 101,088,168.15 = 66,720,265.70 : x
  2. Step 2: Convert to fraction form
    67,392,112.10/101,088,168.15 = 66,720,265.70/x
  3. Step 3: Cross multiply
    67,392,112.10x = 101,088,168.15 × 66,720,265.70
  4. Step 4: Simplify right side
    67,392,112.10x = 6,744,629,438,094,278
  5. Step 5: Solve for x
    x = 6,744,629,438,094,278/67,392,112.10
  6. Step 6: Final answer
    x = 100,080,398.55

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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.