Home / 199,588,961.40-299,383,442.10-97,418,542.20

Finding the Fourth Proportional to 199,588,961.40, 299,383,442.10 and 97,418,542.20

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Solution

The fourth proportional to 199,588,961.40, 299,383,442.10 and 97,418,542.20 is: 146,127,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,961.40 : 299,383,442.10 = 97,418,542.20 : x
  2. Step 2: Convert to fraction form
    199,588,961.40/299,383,442.10 = 97,418,542.20/x
  3. Step 3: Cross multiply
    199,588,961.40x = 299,383,442.10 × 97,418,542.20
  4. Step 4: Simplify right side
    199,588,961.40x = 29,165,498,488,200,108
  5. Step 5: Solve for x
    x = 29,165,498,488,200,108/199,588,961.40
  6. Step 6: Final answer
    x = 146,127,813.30

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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.