Home / 54,371,437.20-81,557,155.80-18,469,645.20

Finding the Fourth Proportional to 54,371,437.20, 81,557,155.80 and 18,469,645.20

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Solution

The fourth proportional to 54,371,437.20, 81,557,155.80 and 18,469,645.20 is: 27,704,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371,437.20 : 81,557,155.80 = 18,469,645.20 : x
  2. Step 2: Convert to fraction form
    54,371,437.20/81,557,155.80 = 18,469,645.20/x
  3. Step 3: Cross multiply
    54,371,437.20x = 81,557,155.80 × 18,469,645.20
  4. Step 4: Simplify right side
    54,371,437.20x = 1,506,331,731,147,122
  5. Step 5: Solve for x
    x = 1,506,331,731,147,122/54,371,437.20
  6. Step 6: Final answer
    x = 27,704,467.80

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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.