Home / 48,499,321.73-66,919,072.90-27,868,782.11

Finding the Fourth Proportional to 48,499,321.73, 66,919,072.90 and 27,868,782.11

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Solution

The fourth proportional to 48,499,321.73, 66,919,072.90 and 27,868,782.11 is: 38,453,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499,321.73 : 66,919,072.90 = 27,868,782.11 : x
  2. Step 2: Convert to fraction form
    48,499,321.73/66,919,072.90 = 27,868,782.11/x
  3. Step 3: Cross multiply
    48,499,321.73x = 66,919,072.90 × 27,868,782.11
  4. Step 4: Simplify right side
    48,499,321.73x = 1,864,953,061,653,305.75
  5. Step 5: Solve for x
    x = 1,864,953,061,653,305.75/48,499,321.73
  6. Step 6: Final answer
    x = 38,453,178.21

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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.