Home / 159,783,357.47-239,463,151.77-82,057,121.86

Finding the Fourth Proportional to 159,783,357.47, 239,463,151.77 and 82,057,121.86

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Solution

The fourth proportional to 159,783,357.47, 239,463,151.77 and 82,057,121.86 is: 122,976,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,783,357.47 : 239,463,151.77 = 82,057,121.86 : x
  2. Step 2: Convert to fraction form
    159,783,357.47/239,463,151.77 = 82,057,121.86/x
  3. Step 3: Cross multiply
    159,783,357.47x = 239,463,151.77 × 82,057,121.86
  4. Step 4: Simplify right side
    159,783,357.47x = 19,649,657,025,770,564
  5. Step 5: Solve for x
    x = 19,649,657,025,770,564/159,783,357.47
  6. Step 6: Final answer
    x = 122,976,869.04

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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.