Home / 84,227,987.10-126,436,459.05-65,143,350.30

Finding the Fourth Proportional to 84,227,987.10, 126,436,459.05 and 65,143,350.30

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Solution

The fourth proportional to 84,227,987.10, 126,436,459.05 and 65,143,350.30 is: 97,788,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,227,987.10 : 126,436,459.05 = 65,143,350.30 : x
  2. Step 2: Convert to fraction form
    84,227,987.10/126,436,459.05 = 65,143,350.30/x
  3. Step 3: Cross multiply
    84,227,987.10x = 126,436,459.05 × 65,143,350.30
  4. Step 4: Simplify right side
    84,227,987.10x = 8,236,494,542,585,755
  5. Step 5: Solve for x
    x = 8,236,494,542,585,755/84,227,987.10
  6. Step 6: Final answer
    x = 97,788,096.64

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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.