Home / 268,576,972.20-402,865,458.30-74,488,012.20

Finding the Fourth Proportional to 268,576,972.20, 402,865,458.30 and 74,488,012.20

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Solution

The fourth proportional to 268,576,972.20, 402,865,458.30 and 74,488,012.20 is: 111,732,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576,972.20 : 402,865,458.30 = 74,488,012.20 : x
  2. Step 2: Convert to fraction form
    268,576,972.20/402,865,458.30 = 74,488,012.20/x
  3. Step 3: Cross multiply
    268,576,972.20x = 402,865,458.30 × 74,488,012.20
  4. Step 4: Simplify right side
    268,576,972.20x = 30,008,647,172,808,992
  5. Step 5: Solve for x
    x = 30,008,647,172,808,992/268,576,972.20
  6. Step 6: Final answer
    x = 111,732,018.30

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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.