Home / 170,231,434.72-255,383,018.70-55,207,008.16

Finding the Fourth Proportional to 170,231,434.72, 255,383,018.70 and 55,207,008.16

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Solution

The fourth proportional to 170,231,434.72, 255,383,018.70 and 55,207,008.16 is: 82,822,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,231,434.72 : 255,383,018.70 = 55,207,008.16 : x
  2. Step 2: Convert to fraction form
    170,231,434.72/255,383,018.70 = 55,207,008.16/x
  3. Step 3: Cross multiply
    170,231,434.72x = 255,383,018.70 × 55,207,008.16
  4. Step 4: Simplify right side
    170,231,434.72x = 14,098,932,397,296,332
  5. Step 5: Solve for x
    x = 14,098,932,397,296,332/170,231,434.72
  6. Step 6: Final answer
    x = 82,822,143.99

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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.