Home / 171,287,662.74-256,890,355.13-79,082,810.24

Finding the Fourth Proportional to 171,287,662.74, 256,890,355.13 and 79,082,810.24

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Solution

The fourth proportional to 171,287,662.74, 256,890,355.13 and 79,082,810.24 is: 118,605,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287,662.74 : 256,890,355.13 = 79,082,810.24 : x
  2. Step 2: Convert to fraction form
    171,287,662.74/256,890,355.13 = 79,082,810.24/x
  3. Step 3: Cross multiply
    171,287,662.74x = 256,890,355.13 × 79,082,810.24
  4. Step 4: Simplify right side
    171,287,662.74x = 20,315,611,207,232,000
  5. Step 5: Solve for x
    x = 20,315,611,207,232,000/171,287,662.74
  6. Step 6: Final answer
    x = 118,605,221.66

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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.