Home / 159,783,363.83-239,463,161.28-82,057,128.23

Finding the Fourth Proportional to 159,783,363.83, 239,463,161.28 and 82,057,128.23

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Solution

The fourth proportional to 159,783,363.83, 239,463,161.28 and 82,057,128.23 is: 122,976,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,783,363.83 : 239,463,161.28 = 82,057,128.23 : x
  2. Step 2: Convert to fraction form
    159,783,363.83/239,463,161.28 = 82,057,128.23/x
  3. Step 3: Cross multiply
    159,783,363.83x = 239,463,161.28 × 82,057,128.23
  4. Step 4: Simplify right side
    159,783,363.83x = 19,649,659,330,316,812
  5. Step 5: Solve for x
    x = 19,649,659,330,316,812/159,783,363.83
  6. Step 6: Final answer
    x = 122,976,878.57

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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.