Home / 87,404,618.10-120,618,354.51-48,246,383.91

Finding the Fourth Proportional to 87,404,618.10, 120,618,354.51 and 48,246,383.91

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Solution

The fourth proportional to 87,404,618.10, 120,618,354.51 and 48,246,383.91 is: 66,579,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404,618.10 : 120,618,354.51 = 48,246,383.91 : x
  2. Step 2: Convert to fraction form
    87,404,618.10/120,618,354.51 = 48,246,383.91/x
  3. Step 3: Cross multiply
    87,404,618.10x = 120,618,354.51 × 48,246,383.91
  4. Step 4: Simplify right side
    87,404,618.10x = 5,819,399,438,281,940
  5. Step 5: Solve for x
    x = 5,819,399,438,281,940/87,404,618.10
  6. Step 6: Final answer
    x = 66,579,999.60

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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.