Home / 320,629,559.72-442,466,944.62-173,948,694.44

Finding the Fourth Proportional to 320,629,559.72, 442,466,944.62 and 173,948,694.44

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Solution

The fourth proportional to 320,629,559.72, 442,466,944.62 and 173,948,694.44 is: 240,048,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,629,559.72 : 442,466,944.62 = 173,948,694.44 : x
  2. Step 2: Convert to fraction form
    320,629,559.72/442,466,944.62 = 173,948,694.44/x
  3. Step 3: Cross multiply
    320,629,559.72x = 442,466,944.62 × 173,948,694.44
  4. Step 4: Simplify right side
    320,629,559.72x = 76,966,547,349,504,784
  5. Step 5: Solve for x
    x = 76,966,547,349,504,784/320,629,559.72
  6. Step 6: Final answer
    x = 240,048,195.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.