Home / 108,344,077.17-149,512,940.99-65,942,309.66

Finding the Fourth Proportional to 108,344,077.17, 149,512,940.99 and 65,942,309.66

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Solution

The fourth proportional to 108,344,077.17, 149,512,940.99 and 65,942,309.66 is: 90,999,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,344,077.17 : 149,512,940.99 = 65,942,309.66 : x
  2. Step 2: Convert to fraction form
    108,344,077.17/149,512,940.99 = 65,942,309.66/x
  3. Step 3: Cross multiply
    108,344,077.17x = 149,512,940.99 × 65,942,309.66
  4. Step 4: Simplify right side
    108,344,077.17x = 9,859,228,651,862,612
  5. Step 5: Solve for x
    x = 9,859,228,651,862,612/108,344,077.17
  6. Step 6: Final answer
    x = 90,999,239.73

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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.