Home / 108,324,987.30-162,393,002.55-65,211,344.10

Finding the Fourth Proportional to 108,324,987.30, 162,393,002.55 and 65,211,344.10

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Solution

The fourth proportional to 108,324,987.30, 162,393,002.55 and 65,211,344.10 is: 97,760,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,324,987.30 : 162,393,002.55 = 65,211,344.10 : x
  2. Step 2: Convert to fraction form
    108,324,987.30/162,393,002.55 = 65,211,344.10/x
  3. Step 3: Cross multiply
    108,324,987.30x = 162,393,002.55 × 65,211,344.10
  4. Step 4: Simplify right side
    108,324,987.30x = 10,589,865,968,720,228
  5. Step 5: Solve for x
    x = 10,589,865,968,720,228/108,324,987.30
  6. Step 6: Final answer
    x = 97,760,140.41

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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.