Home / 141,032,236.35-211,548,354.53-80,454,085.95

Finding the Fourth Proportional to 141,032,236.35, 211,548,354.53 and 80,454,085.95

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Solution

The fourth proportional to 141,032,236.35, 211,548,354.53 and 80,454,085.95 is: 120,681,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032,236.35 : 211,548,354.53 = 80,454,085.95 : x
  2. Step 2: Convert to fraction form
    141,032,236.35/211,548,354.53 = 80,454,085.95/x
  3. Step 3: Cross multiply
    141,032,236.35x = 211,548,354.53 × 80,454,085.95
  4. Step 4: Simplify right side
    141,032,236.35x = 17,019,929,497,535,422
  5. Step 5: Solve for x
    x = 17,019,929,497,535,422/141,032,236.35
  6. Step 6: Final answer
    x = 120,681,128.93

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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.