Home / 87,276,756.54-130,915,791.06-38,741,562.21

Finding the Fourth Proportional to 87,276,756.54, 130,915,791.06 and 38,741,562.21

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Solution

The fourth proportional to 87,276,756.54, 130,915,791.06 and 38,741,562.21 is: 58,112,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,756.54 : 130,915,791.06 = 38,741,562.21 : x
  2. Step 2: Convert to fraction form
    87,276,756.54/130,915,791.06 = 38,741,562.21/x
  3. Step 3: Cross multiply
    87,276,756.54x = 130,915,791.06 × 38,741,562.21
  4. Step 4: Simplify right side
    87,276,756.54x = 5,071,882,263,622,352
  5. Step 5: Solve for x
    x = 5,071,882,263,622,352/87,276,756.54
  6. Step 6: Final answer
    x = 58,112,634.62

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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.