Home / 141,032,216.10-211,548,324.15-80,454,065.70

Finding the Fourth Proportional to 141,032,216.10, 211,548,324.15 and 80,454,065.70

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Solution

The fourth proportional to 141,032,216.10, 211,548,324.15 and 80,454,065.70 is: 120,681,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032,216.10 : 211,548,324.15 = 80,454,065.70 : x
  2. Step 2: Convert to fraction form
    141,032,216.10/211,548,324.15 = 80,454,065.70/x
  3. Step 3: Cross multiply
    141,032,216.10x = 211,548,324.15 × 80,454,065.70
  4. Step 4: Simplify right side
    141,032,216.10x = 17,019,922,769,888,998
  5. Step 5: Solve for x
    x = 17,019,922,769,888,998/141,032,216.10
  6. Step 6: Final answer
    x = 120,681,098.55

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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.