Home / 272,438,640.05-376,179,540.47-219,346,699.25

Finding the Fourth Proportional to 272,438,640.05, 376,179,540.47 and 219,346,699.25

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Solution

The fourth proportional to 272,438,640.05, 376,179,540.47 and 219,346,699.25 is: 302,870,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,438,640.05 : 376,179,540.47 = 219,346,699.25 : x
  2. Step 2: Convert to fraction form
    272,438,640.05/376,179,540.47 = 219,346,699.25/x
  3. Step 3: Cross multiply
    272,438,640.05x = 376,179,540.47 × 219,346,699.25
  4. Step 4: Simplify right side
    272,438,640.05x = 82,513,740,527,476,304
  5. Step 5: Solve for x
    x = 82,513,740,527,476,304/272,438,640.05
  6. Step 6: Final answer
    x = 302,870,916.23

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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.