Home / 108,344,078.67-149,512,943.06-65,942,311.16

Finding the Fourth Proportional to 108,344,078.67, 149,512,943.06 and 65,942,311.16

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Solution

The fourth proportional to 108,344,078.67, 149,512,943.06 and 65,942,311.16 is: 90,999,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,344,078.67 : 149,512,943.06 = 65,942,311.16 : x
  2. Step 2: Convert to fraction form
    108,344,078.67/149,512,943.06 = 65,942,311.16/x
  3. Step 3: Cross multiply
    108,344,078.67x = 149,512,943.06 × 65,942,311.16
  4. Step 4: Simplify right side
    108,344,078.67x = 9,859,229,012,632,606
  5. Step 5: Solve for x
    x = 9,859,229,012,632,606/108,344,078.67
  6. Step 6: Final answer
    x = 90,999,241.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.