Home / 266,340,028.80-399,084,890.40-222,974,443.20

Finding the Fourth Proportional to 266,340,028.80, 399,084,890.40 and 222,974,443.20

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Solution

The fourth proportional to 266,340,028.80, 399,084,890.40 and 222,974,443.20 is: 334,105,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,340,028.80 : 399,084,890.40 = 222,974,443.20 : x
  2. Step 2: Convert to fraction form
    266,340,028.80/399,084,890.40 = 222,974,443.20/x
  3. Step 3: Cross multiply
    266,340,028.80x = 399,084,890.40 × 222,974,443.20
  4. Step 4: Simplify right side
    266,340,028.80x = 88,985,731,226,473,008
  5. Step 5: Solve for x
    x = 88,985,731,226,473,008/266,340,028.80
  6. Step 6: Final answer
    x = 334,105,735.54

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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.