Home / 170,231,439.72-255,383,026.20-55,207,013.16

Finding the Fourth Proportional to 170,231,439.72, 255,383,026.20 and 55,207,013.16

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Solution

The fourth proportional to 170,231,439.72, 255,383,026.20 and 55,207,013.16 is: 82,822,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,231,439.72 : 255,383,026.20 = 55,207,013.16 : x
  2. Step 2: Convert to fraction form
    170,231,439.72/255,383,026.20 = 55,207,013.16/x
  3. Step 3: Cross multiply
    170,231,439.72x = 255,383,026.20 × 55,207,013.16
  4. Step 4: Simplify right side
    170,231,439.72x = 14,098,934,088,264,024
  5. Step 5: Solve for x
    x = 14,098,934,088,264,024/170,231,439.72
  6. Step 6: Final answer
    x = 82,822,151.49

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1.5x scale

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.