Home / 120,555,079.88-180,832,619.82-35,454,535.88

Finding the Fourth Proportional to 120,555,079.88, 180,832,619.82 and 35,454,535.88

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Solution

The fourth proportional to 120,555,079.88, 180,832,619.82 and 35,454,535.88 is: 53,181,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,555,079.88 : 180,832,619.82 = 35,454,535.88 : x
  2. Step 2: Convert to fraction form
    120,555,079.88/180,832,619.82 = 35,454,535.88/x
  3. Step 3: Cross multiply
    120,555,079.88x = 180,832,619.82 × 35,454,535.88
  4. Step 4: Simplify right side
    120,555,079.88x = 6,411,336,607,682,589
  5. Step 5: Solve for x
    x = 6,411,336,607,682,589/120,555,079.88
  6. Step 6: Final answer
    x = 53,181,803.82

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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.