Home / 290,963,120.29-401,523,414.43-158,805,064.15

Finding the Fourth Proportional to 290,963,120.29, 401,523,414.43 and 158,805,064.15

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Solution

The fourth proportional to 290,963,120.29, 401,523,414.43 and 158,805,064.15 is: 219,147,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,120.29 : 401,523,414.43 = 158,805,064.15 : x
  2. Step 2: Convert to fraction form
    290,963,120.29/401,523,414.43 = 158,805,064.15/x
  3. Step 3: Cross multiply
    290,963,120.29x = 401,523,414.43 × 158,805,064.15
  4. Step 4: Simplify right side
    290,963,120.29x = 63,763,951,586,283,192
  5. Step 5: Solve for x
    x = 63,763,951,586,283,192/290,963,120.29
  6. Step 6: Final answer
    x = 219,147,882.12

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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.