Home / 87,276,643.52-130,915,621.40-38,741,449.20

Finding the Fourth Proportional to 87,276,643.52, 130,915,621.40 and 38,741,449.20

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Solution

The fourth proportional to 87,276,643.52, 130,915,621.40 and 38,741,449.20 is: 58,112,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,643.52 : 130,915,621.40 = 38,741,449.20 : x
  2. Step 2: Convert to fraction form
    87,276,643.52/130,915,621.40 = 38,741,449.20/x
  3. Step 3: Cross multiply
    87,276,643.52x = 130,915,621.40 × 38,741,449.20
  4. Step 4: Simplify right side
    87,276,643.52x = 5,071,860,895,954,534
  5. Step 5: Solve for x
    x = 5,071,860,895,954,534/87,276,643.52
  6. Step 6: Final answer
    x = 58,112,465.05

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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.