Home / 87,694,172.76-121,009,758.66-52,404,974.76

Finding the Fourth Proportional to 87,694,172.76, 121,009,758.66 and 52,404,974.76

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Solution

The fourth proportional to 87,694,172.76, 121,009,758.66 and 52,404,974.76 is: 72,313,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694,172.76 : 121,009,758.66 = 52,404,974.76 : x
  2. Step 2: Convert to fraction form
    87,694,172.76/121,009,758.66 = 52,404,974.76/x
  3. Step 3: Cross multiply
    87,694,172.76x = 121,009,758.66 × 52,404,974.76
  4. Step 4: Simplify right side
    87,694,172.76x = 6,341,513,348,290,991
  5. Step 5: Solve for x
    x = 6,341,513,348,290,991/87,694,172.76
  6. Step 6: Final answer
    x = 72,313,965.10

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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.