Home / 141,032,240.10-211,548,360.15-80,454,089.70

Finding the Fourth Proportional to 141,032,240.10, 211,548,360.15 and 80,454,089.70

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Solution

The fourth proportional to 141,032,240.10, 211,548,360.15 and 80,454,089.70 is: 120,681,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032,240.10 : 211,548,360.15 = 80,454,089.70 : x
  2. Step 2: Convert to fraction form
    141,032,240.10/211,548,360.15 = 80,454,089.70/x
  3. Step 3: Cross multiply
    141,032,240.10x = 211,548,360.15 × 80,454,089.70
  4. Step 4: Simplify right side
    141,032,240.10x = 17,019,930,743,396,006
  5. Step 5: Solve for x
    x = 17,019,930,743,396,006/141,032,240.10
  6. Step 6: Final answer
    x = 120,681,134.55

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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.