Home / 87,314,464.40-130,719,754.20-77,236,768.40

Finding the Fourth Proportional to 87,314,464.40, 130,719,754.20 and 77,236,768.40

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Solution

The fourth proportional to 87,314,464.40, 130,719,754.20 and 77,236,768.40 is: 115,632,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,314,464.40 : 130,719,754.20 = 77,236,768.40 : x
  2. Step 2: Convert to fraction form
    87,314,464.40/130,719,754.20 = 77,236,768.40/x
  3. Step 3: Cross multiply
    87,314,464.40x = 130,719,754.20 × 77,236,768.40
  4. Step 4: Simplify right side
    87,314,464.40x = 10,096,371,380,450,328
  5. Step 5: Solve for x
    x = 10,096,371,380,450,328/87,314,464.40
  6. Step 6: Final answer
    x = 115,632,288.99

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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.