Home / 141,268,278.20-212,037,719.70-73,159,849.40

Finding the Fourth Proportional to 141,268,278.20, 212,037,719.70 and 73,159,849.40

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Solution

The fourth proportional to 141,268,278.20, 212,037,719.70 and 73,159,849.40 is: 109,809,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,268,278.20 : 212,037,719.70 = 73,159,849.40 : x
  2. Step 2: Convert to fraction form
    141,268,278.20/212,037,719.70 = 73,159,849.40/x
  3. Step 3: Cross multiply
    141,268,278.20x = 212,037,719.70 × 73,159,849.40
  4. Step 4: Simplify right side
    141,268,278.20x = 15,512,647,640,371,414
  5. Step 5: Solve for x
    x = 15,512,647,640,371,414/141,268,278.20
  6. Step 6: Final answer
    x = 109,809,844.35

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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.