Home / 87,228,109.66-120,374,816.33-47,535,651.30

Finding the Fourth Proportional to 87,228,109.66, 120,374,816.33 and 47,535,651.30

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Solution

The fourth proportional to 87,228,109.66, 120,374,816.33 and 47,535,651.30 is: 65,599,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228,109.66 : 120,374,816.33 = 47,535,651.30 : x
  2. Step 2: Convert to fraction form
    87,228,109.66/120,374,816.33 = 47,535,651.30/x
  3. Step 3: Cross multiply
    87,228,109.66x = 120,374,816.33 × 47,535,651.30
  4. Step 4: Simplify right side
    87,228,109.66x = 5,722,095,293,894,656
  5. Step 5: Solve for x
    x = 5,722,095,293,894,656/87,228,109.66
  6. Step 6: Final answer
    x = 65,599,212.42

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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.