Home / 251,297,267.60-376,981,330.80-78,756,089.60

Finding the Fourth Proportional to 251,297,267.60, 376,981,330.80 and 78,756,089.60

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Solution

The fourth proportional to 251,297,267.60, 376,981,330.80 and 78,756,089.60 is: 118,145,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,297,267.60 : 376,981,330.80 = 78,756,089.60 : x
  2. Step 2: Convert to fraction form
    251,297,267.60/376,981,330.80 = 78,756,089.60/x
  3. Step 3: Cross multiply
    251,297,267.60x = 376,981,330.80 × 78,756,089.60
  4. Step 4: Simplify right side
    251,297,267.60x = 29,689,575,466,012,040
  5. Step 5: Solve for x
    x = 29,689,575,466,012,040/251,297,267.60
  6. Step 6: Final answer
    x = 118,145,237.91

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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.