Home / 146,388,209.60-202,002,863.12-83,651,857.82

Finding the Fourth Proportional to 146,388,209.60, 202,002,863.12 and 83,651,857.82

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Solution

The fourth proportional to 146,388,209.60, 202,002,863.12 and 83,651,857.82 is: 115,432,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,388,209.60 : 202,002,863.12 = 83,651,857.82 : x
  2. Step 2: Convert to fraction form
    146,388,209.60/202,002,863.12 = 83,651,857.82/x
  3. Step 3: Cross multiply
    146,388,209.60x = 202,002,863.12 × 83,651,857.82
  4. Step 4: Simplify right side
    146,388,209.60x = 16,897,914,784,947,160
  5. Step 5: Solve for x
    x = 16,897,914,784,947,160/146,388,209.60
  6. Step 6: Final answer
    x = 115,432,211.59

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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.