Home / 97,571,640.70-134,807,022.12-83,040,862.78

Finding the Fourth Proportional to 97,571,640.70, 134,807,022.12 and 83,040,862.78

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Solution

The fourth proportional to 97,571,640.70, 134,807,022.12 and 83,040,862.78 is: 114,730,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,571,640.70 : 134,807,022.12 = 83,040,862.78 : x
  2. Step 2: Convert to fraction form
    97,571,640.70/134,807,022.12 = 83,040,862.78/x
  3. Step 3: Cross multiply
    97,571,640.70x = 134,807,022.12 × 83,040,862.78
  4. Step 4: Simplify right side
    97,571,640.70x = 11,194,491,425,647,346
  5. Step 5: Solve for x
    x = 11,194,491,425,647,346/97,571,640.70
  6. Step 6: Final answer
    x = 114,730,995.04

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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.