Home / 217,158,388.30-325,784,821.65-71,567,173.90

Finding the Fourth Proportional to 217,158,388.30, 325,784,821.65 and 71,567,173.90

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Solution

The fourth proportional to 217,158,388.30, 325,784,821.65 and 71,567,173.90 is: 107,366,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,158,388.30 : 325,784,821.65 = 71,567,173.90 : x
  2. Step 2: Convert to fraction form
    217,158,388.30/325,784,821.65 = 71,567,173.90/x
  3. Step 3: Cross multiply
    217,158,388.30x = 325,784,821.65 × 71,567,173.90
  4. Step 4: Simplify right side
    217,158,388.30x = 23,315,498,985,006,036
  5. Step 5: Solve for x
    x = 23,315,498,985,006,036/217,158,388.30
  6. Step 6: Final answer
    x = 107,366,329.10

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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.