Home / 217,741,520.10-326,612,280.15-140,647,145.70

Finding the Fourth Proportional to 217,741,520.10, 326,612,280.15 and 140,647,145.70

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Solution

The fourth proportional to 217,741,520.10, 326,612,280.15 and 140,647,145.70 is: 210,970,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741,520.10 : 326,612,280.15 = 140,647,145.70 : x
  2. Step 2: Convert to fraction form
    217,741,520.10/326,612,280.15 = 140,647,145.70/x
  3. Step 3: Cross multiply
    217,741,520.10x = 326,612,280.15 × 140,647,145.70
  4. Step 4: Simplify right side
    217,741,520.10x = 45,937,084,953,666,264
  5. Step 5: Solve for x
    x = 45,937,084,953,666,264/217,741,520.10
  6. Step 6: Final answer
    x = 210,970,718.55

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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.