Home / 79,442,464.34-119,161,493.71-21,150,642.44

Finding the Fourth Proportional to 79,442,464.34, 119,161,493.71 and 21,150,642.44

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Solution

The fourth proportional to 79,442,464.34, 119,161,493.71 and 21,150,642.44 is: 31,725,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,464.34 : 119,161,493.71 = 21,150,642.44 : x
  2. Step 2: Convert to fraction form
    79,442,464.34/119,161,493.71 = 21,150,642.44/x
  3. Step 3: Cross multiply
    79,442,464.34x = 119,161,493.71 × 21,150,642.44
  4. Step 4: Simplify right side
    79,442,464.34x = 2,520,342,146,321,546
  5. Step 5: Solve for x
    x = 2,520,342,146,321,546/79,442,464.34
  6. Step 6: Final answer
    x = 31,725,377.19

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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.