Home / 171,287,660.24-256,890,351.38-79,082,807.74

Finding the Fourth Proportional to 171,287,660.24, 256,890,351.38 and 79,082,807.74

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Solution

The fourth proportional to 171,287,660.24, 256,890,351.38 and 79,082,807.74 is: 118,605,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287,660.24 : 256,890,351.38 = 79,082,807.74 : x
  2. Step 2: Convert to fraction form
    171,287,660.24/256,890,351.38 = 79,082,807.74/x
  3. Step 3: Cross multiply
    171,287,660.24x = 256,890,351.38 × 79,082,807.74
  4. Step 4: Simplify right side
    171,287,660.24x = 20,315,610,268,445,580
  5. Step 5: Solve for x
    x = 20,315,610,268,445,580/171,287,660.24
  6. Step 6: Final answer
    x = 118,605,217.91

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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.