Home / 272,965,200.16-376,691,948.40-149,206,371.52

Finding the Fourth Proportional to 272,965,200.16, 376,691,948.40 and 149,206,371.52

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Solution

The fourth proportional to 272,965,200.16, 376,691,948.40 and 149,206,371.52 is: 205,904,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,965,200.16 : 376,691,948.40 = 149,206,371.52 : x
  2. Step 2: Convert to fraction form
    272,965,200.16/376,691,948.40 = 149,206,371.52/x
  3. Step 3: Cross multiply
    272,965,200.16x = 376,691,948.40 × 149,206,371.52
  4. Step 4: Simplify right side
    272,965,200.16x = 56,204,838,801,563,072
  5. Step 5: Solve for x
    x = 56,204,838,801,563,072/272,965,200.16
  6. Step 6: Final answer
    x = 205,904,777.49

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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.