Home / 284,026,817.60-426,040,226.40-111,414,780.80

Finding the Fourth Proportional to 284,026,817.60, 426,040,226.40 and 111,414,780.80

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Solution

The fourth proportional to 284,026,817.60, 426,040,226.40 and 111,414,780.80 is: 167,122,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,026,817.60 : 426,040,226.40 = 111,414,780.80 : x
  2. Step 2: Convert to fraction form
    284,026,817.60/426,040,226.40 = 111,414,780.80/x
  3. Step 3: Cross multiply
    284,026,817.60x = 426,040,226.40 × 111,414,780.80
  4. Step 4: Simplify right side
    284,026,817.60x = 47,467,178,436,338,368
  5. Step 5: Solve for x
    x = 47,467,178,436,338,368/284,026,817.60
  6. Step 6: Final answer
    x = 167,122,171.20

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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.