Home / 254,451,766.40-381,677,649.60-90,874,226.60

Finding the Fourth Proportional to 254,451,766.40, 381,677,649.60 and 90,874,226.60

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Solution

The fourth proportional to 254,451,766.40, 381,677,649.60 and 90,874,226.60 is: 136,311,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,451,766.40 : 381,677,649.60 = 90,874,226.60 : x
  2. Step 2: Convert to fraction form
    254,451,766.40/381,677,649.60 = 90,874,226.60/x
  3. Step 3: Cross multiply
    254,451,766.40x = 381,677,649.60 × 90,874,226.60
  4. Step 4: Simplify right side
    254,451,766.40x = 34,684,661,217,905,800
  5. Step 5: Solve for x
    x = 34,684,661,217,905,800/254,451,766.40
  6. Step 6: Final answer
    x = 136,311,339.90

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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.