Home / 83,920,321.59-114,971,250.77-80,775,011.11

Finding the Fourth Proportional to 83,920,321.59, 114,971,250.77 and 80,775,011.11

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Solution

The fourth proportional to 83,920,321.59, 114,971,250.77 and 80,775,011.11 is: 110,662,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920,321.59 : 114,971,250.77 = 80,775,011.11 : x
  2. Step 2: Convert to fraction form
    83,920,321.59/114,971,250.77 = 80,775,011.11/x
  3. Step 3: Cross multiply
    83,920,321.59x = 114,971,250.77 × 80,775,011.11
  4. Step 4: Simplify right side
    83,920,321.59x = 9,286,804,058,218,414
  5. Step 5: Solve for x
    x = 9,286,804,058,218,414/83,920,321.59
  6. Step 6: Final answer
    x = 110,662,160.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.