Home / 123,652,854.72-170,633,178.35-67,897,884.81

Finding the Fourth Proportional to 123,652,854.72, 170,633,178.35 and 67,897,884.81

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Solution

The fourth proportional to 123,652,854.72, 170,633,178.35 and 67,897,884.81 is: 93,694,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652,854.72 : 170,633,178.35 = 67,897,884.81 : x
  2. Step 2: Convert to fraction form
    123,652,854.72/170,633,178.35 = 67,897,884.81/x
  3. Step 3: Cross multiply
    123,652,854.72x = 170,633,178.35 × 67,897,884.81
  4. Step 4: Simplify right side
    123,652,854.72x = 11,585,631,887,967,676
  5. Step 5: Solve for x
    x = 11,585,631,887,967,676/123,652,854.72
  6. Step 6: Final answer
    x = 93,694,819.37

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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.