Home / 141,032,238.35-211,548,357.53-80,454,087.95

Finding the Fourth Proportional to 141,032,238.35, 211,548,357.53 and 80,454,087.95

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Solution

The fourth proportional to 141,032,238.35, 211,548,357.53 and 80,454,087.95 is: 120,681,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032,238.35 : 211,548,357.53 = 80,454,087.95 : x
  2. Step 2: Convert to fraction form
    141,032,238.35/211,548,357.53 = 80,454,087.95/x
  3. Step 3: Cross multiply
    141,032,238.35x = 211,548,357.53 × 80,454,087.95
  4. Step 4: Simplify right side
    141,032,238.35x = 17,019,930,162,396,666
  5. Step 5: Solve for x
    x = 17,019,930,162,396,666/141,032,238.35
  6. Step 6: Final answer
    x = 120,681,131.93

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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.