Home / 251,297,265.60-376,981,327.80-78,756,087.60

Finding the Fourth Proportional to 251,297,265.60, 376,981,327.80 and 78,756,087.60

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Solution

The fourth proportional to 251,297,265.60, 376,981,327.80 and 78,756,087.60 is: 118,145,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,297,265.60 : 376,981,327.80 = 78,756,087.60 : x
  2. Step 2: Convert to fraction form
    251,297,265.60/376,981,327.80 = 78,756,087.60/x
  3. Step 3: Cross multiply
    251,297,265.60x = 376,981,327.80 × 78,756,087.60
  4. Step 4: Simplify right side
    251,297,265.60x = 29,689,574,475,781,112
  5. Step 5: Solve for x
    x = 29,689,574,475,781,112/251,297,265.60
  6. Step 6: Final answer
    x = 118,145,234.91

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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.