Home / 72,039,519.90-108,058,891.86-17,452,078.20

Finding the Fourth Proportional to 72,039,519.90, 108,058,891.86 and 17,452,078.20

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Solution

The fourth proportional to 72,039,519.90, 108,058,891.86 and 17,452,078.20 is: 26,178,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,039,519.90 : 108,058,891.86 = 17,452,078.20 : x
  2. Step 2: Convert to fraction form
    72,039,519.90/108,058,891.86 = 17,452,078.20/x
  3. Step 3: Cross multiply
    72,039,519.90x = 108,058,891.86 × 17,452,078.20
  4. Step 4: Simplify right side
    72,039,519.90x = 1,885,852,230,946,063.25
  5. Step 5: Solve for x
    x = 1,885,852,230,946,063.25/72,039,519.90
  6. Step 6: Final answer
    x = 26,178,023.31

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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.