Home / 138,964,761-208,447,147.98-95,202,366.12

Finding the Fourth Proportional to 138,964,761, 208,447,147.98 and 95,202,366.12

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Solution

The fourth proportional to 138,964,761, 208,447,147.98 and 95,202,366.12 is: 142,803,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,964,761 : 208,447,147.98 = 95,202,366.12 : x
  2. Step 2: Convert to fraction form
    138,964,761/208,447,147.98 = 95,202,366.12/x
  3. Step 3: Cross multiply
    138,964,761x = 208,447,147.98 × 95,202,366.12
  4. Step 4: Simplify right side
    138,964,761x = 19,844,661,698,661,780
  5. Step 5: Solve for x
    x = 19,844,661,698,661,780/138,964,761
  6. Step 6: Final answer
    x = 142,803,553.62

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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.