Home / 171,287,662.24-256,890,354.38-79,082,809.74

Finding the Fourth Proportional to 171,287,662.24, 256,890,354.38 and 79,082,809.74

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Solution

The fourth proportional to 171,287,662.24, 256,890,354.38 and 79,082,809.74 is: 118,605,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287,662.24 : 256,890,354.38 = 79,082,809.74 : x
  2. Step 2: Convert to fraction form
    171,287,662.24/256,890,354.38 = 79,082,809.74/x
  3. Step 3: Cross multiply
    171,287,662.24x = 256,890,354.38 × 79,082,809.74
  4. Step 4: Simplify right side
    171,287,662.24x = 20,315,611,019,474,712
  5. Step 5: Solve for x
    x = 20,315,611,019,474,712/171,287,662.24
  6. Step 6: Final answer
    x = 118,605,220.91

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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.