Home / 171,276,515.20-256,840,123.20-69,006,563.20

Finding the Fourth Proportional to 171,276,515.20, 256,840,123.20 and 69,006,563.20

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Solution

The fourth proportional to 171,276,515.20, 256,840,123.20 and 69,006,563.20 is: 103,479,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,276,515.20 : 256,840,123.20 = 69,006,563.20 : x
  2. Step 2: Convert to fraction form
    171,276,515.20/256,840,123.20 = 69,006,563.20/x
  3. Step 3: Cross multiply
    171,276,515.20x = 256,840,123.20 × 69,006,563.20
  4. Step 4: Simplify right side
    171,276,515.20x = 17,723,654,193,896,586
  5. Step 5: Solve for x
    x = 17,723,654,193,896,586/171,276,515.20
  6. Step 6: Final answer
    x = 103,479,768.80

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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.