Home / 251,659,464.19-377,502,648.41-79,149,729.78

Finding the Fourth Proportional to 251,659,464.19, 377,502,648.41 and 79,149,729.78

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Solution

The fourth proportional to 251,659,464.19, 377,502,648.41 and 79,149,729.78 is: 118,728,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,464.19 : 377,502,648.41 = 79,149,729.78 : x
  2. Step 2: Convert to fraction form
    251,659,464.19/377,502,648.41 = 79,149,729.78/x
  3. Step 3: Cross multiply
    251,659,464.19x = 377,502,648.41 × 79,149,729.78
  4. Step 4: Simplify right side
    251,659,464.19x = 29,879,232,613,083,724
  5. Step 5: Solve for x
    x = 29,879,232,613,083,724/251,659,464.19
  6. Step 6: Final answer
    x = 118,728,825.52

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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.