Home / 251,297,266.60-376,981,329.30-78,756,088.60

Finding the Fourth Proportional to 251,297,266.60, 376,981,329.30 and 78,756,088.60

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Solution

The fourth proportional to 251,297,266.60, 376,981,329.30 and 78,756,088.60 is: 118,145,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,297,266.60 : 376,981,329.30 = 78,756,088.60 : x
  2. Step 2: Convert to fraction form
    251,297,266.60/376,981,329.30 = 78,756,088.60/x
  3. Step 3: Cross multiply
    251,297,266.60x = 376,981,329.30 × 78,756,088.60
  4. Step 4: Simplify right side
    251,297,266.60x = 29,689,574,970,896,576
  5. Step 5: Solve for x
    x = 29,689,574,970,896,576/251,297,266.60
  6. Step 6: Final answer
    x = 118,145,236.41

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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.