Home / 66,605,920.50-99,915,734.27-25,141,721.82

Finding the Fourth Proportional to 66,605,920.50, 99,915,734.27 and 25,141,721.82

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Solution

The fourth proportional to 66,605,920.50, 99,915,734.27 and 25,141,721.82 is: 37,715,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,605,920.50 : 99,915,734.27 = 25,141,721.82 : x
  2. Step 2: Convert to fraction form
    66,605,920.50/99,915,734.27 = 25,141,721.82/x
  3. Step 3: Cross multiply
    66,605,920.50x = 99,915,734.27 × 25,141,721.82
  4. Step 4: Simplify right side
    66,605,920.50x = 2,512,053,596,457,380.50
  5. Step 5: Solve for x
    x = 2,512,053,596,457,380.50/66,605,920.50
  6. Step 6: Final answer
    x = 37,715,169.73

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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.