Home / 171,103,384.80-256,591,855.44-74,073,281.76

Finding the Fourth Proportional to 171,103,384.80, 256,591,855.44 and 74,073,281.76

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Solution

The fourth proportional to 171,103,384.80, 256,591,855.44 and 74,073,281.76 is: 111,082,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,103,384.80 : 256,591,855.44 = 74,073,281.76 : x
  2. Step 2: Convert to fraction form
    171,103,384.80/256,591,855.44 = 74,073,281.76/x
  3. Step 3: Cross multiply
    171,103,384.80x = 256,591,855.44 × 74,073,281.76
  4. Step 4: Simplify right side
    171,103,384.80x = 19,006,600,805,328,308
  5. Step 5: Solve for x
    x = 19,006,600,805,328,308/171,103,384.80
  6. Step 6: Final answer
    x = 111,082,552.97

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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.