Home / 272,679,049.14-376,297,508.82-155,204,378.16

Finding the Fourth Proportional to 272,679,049.14, 376,297,508.82 and 155,204,378.16

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Solution

The fourth proportional to 272,679,049.14, 376,297,508.82 and 155,204,378.16 is: 214,182,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,679,049.14 : 376,297,508.82 = 155,204,378.16 : x
  2. Step 2: Convert to fraction form
    272,679,049.14/376,297,508.82 = 155,204,378.16/x
  3. Step 3: Cross multiply
    272,679,049.14x = 376,297,508.82 × 155,204,378.16
  4. Step 4: Simplify right side
    272,679,049.14x = 58,403,020,859,565,216
  5. Step 5: Solve for x
    x = 58,403,020,859,565,216/272,679,049.14
  6. Step 6: Final answer
    x = 214,182,281.49

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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.