Home / 82,959,834.28-114,467,480.09-47,670,820.78

Finding the Fourth Proportional to 82,959,834.28, 114,467,480.09 and 47,670,820.78

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Solution

The fourth proportional to 82,959,834.28, 114,467,480.09 and 47,670,820.78 is: 65,775,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,834.28 : 114,467,480.09 = 47,670,820.78 : x
  2. Step 2: Convert to fraction form
    82,959,834.28/114,467,480.09 = 47,670,820.78/x
  3. Step 3: Cross multiply
    82,959,834.28x = 114,467,480.09 × 47,670,820.78
  4. Step 4: Simplify right side
    82,959,834.28x = 5,456,758,728,270,254
  5. Step 5: Solve for x
    x = 5,456,758,728,270,254/82,959,834.28
  6. Step 6: Final answer
    x = 65,775,911.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.