Home / 82,959,834.78-114,467,480.78-47,670,821.28

Finding the Fourth Proportional to 82,959,834.78, 114,467,480.78 and 47,670,821.28

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Solution

The fourth proportional to 82,959,834.78, 114,467,480.78 and 47,670,821.28 is: 65,775,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,834.78 : 114,467,480.78 = 47,670,821.28 : x
  2. Step 2: Convert to fraction form
    82,959,834.78/114,467,480.78 = 47,670,821.28/x
  3. Step 3: Cross multiply
    82,959,834.78x = 114,467,480.78 × 47,670,821.28
  4. Step 4: Simplify right side
    82,959,834.78x = 5,456,758,818,396,861
  5. Step 5: Solve for x
    x = 5,456,758,818,396,861/82,959,834.78
  6. Step 6: Final answer
    x = 65,775,912.32

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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.