Home / 141,268,279.20-212,037,721.20-73,159,850.40

Finding the Fourth Proportional to 141,268,279.20, 212,037,721.20 and 73,159,850.40

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Solution

The fourth proportional to 141,268,279.20, 212,037,721.20 and 73,159,850.40 is: 109,809,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,268,279.20 : 212,037,721.20 = 73,159,850.40 : x
  2. Step 2: Convert to fraction form
    141,268,279.20/212,037,721.20 = 73,159,850.40/x
  3. Step 3: Cross multiply
    141,268,279.20x = 212,037,721.20 × 73,159,850.40
  4. Step 4: Simplify right side
    141,268,279.20x = 15,512,647,962,148,908
  5. Step 5: Solve for x
    x = 15,512,647,962,148,908/141,268,279.20
  6. Step 6: Final answer
    x = 109,809,845.85

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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.