Home / 81,853,369.33-122,781,382.62-23,561,820.37

Finding the Fourth Proportional to 81,853,369.33, 122,781,382.62 and 23,561,820.37

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Solution

The fourth proportional to 81,853,369.33, 122,781,382.62 and 23,561,820.37 is: 35,343,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,853,369.33 : 122,781,382.62 = 23,561,820.37 : x
  2. Step 2: Convert to fraction form
    81,853,369.33/122,781,382.62 = 23,561,820.37/x
  3. Step 3: Cross multiply
    81,853,369.33x = 122,781,382.62 × 23,561,820.37
  4. Step 4: Simplify right side
    81,853,369.33x = 2,892,952,882,072,680
  5. Step 5: Solve for x
    x = 2,892,952,882,072,680/81,853,369.33
  6. Step 6: Final answer
    x = 35,343,113.01

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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.