Home / 54,652,496.89-81,993,103.06-19,641,146.13

Finding the Fourth Proportional to 54,652,496.89, 81,993,103.06 and 19,641,146.13

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Solution

The fourth proportional to 54,652,496.89, 81,993,103.06 and 19,641,146.13 is: 29,466,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652,496.89 : 81,993,103.06 = 19,641,146.13 : x
  2. Step 2: Convert to fraction form
    54,652,496.89/81,993,103.06 = 19,641,146.13/x
  3. Step 3: Cross multiply
    54,652,496.89x = 81,993,103.06 × 19,641,146.13
  4. Step 4: Simplify right side
    54,652,496.89x = 1,610,438,518,951,392.25
  5. Step 5: Solve for x
    x = 1,610,438,518,951,392.25/54,652,496.89
  6. Step 6: Final answer
    x = 29,466,879.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.