Home / 108,315,045.62-162,466,588.01-79,198,721.82

Finding the Fourth Proportional to 108,315,045.62, 162,466,588.01 and 79,198,721.82

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Solution

The fourth proportional to 108,315,045.62, 162,466,588.01 and 79,198,721.82 is: 118,793,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,315,045.62 : 162,466,588.01 = 79,198,721.82 : x
  2. Step 2: Convert to fraction form
    108,315,045.62/162,466,588.01 = 79,198,721.82/x
  3. Step 3: Cross multiply
    108,315,045.62x = 162,466,588.01 × 79,198,721.82
  4. Step 4: Simplify right side
    108,315,045.62x = 12,867,146,108,452,542
  5. Step 5: Solve for x
    x = 12,867,146,108,452,542/108,315,045.62
  6. Step 6: Final answer
    x = 118,793,709.92

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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.