Home / 54,380,046.20-81,570,069.30-31,390,302.20

Finding the Fourth Proportional to 54,380,046.20, 81,570,069.30 and 31,390,302.20

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Solution

The fourth proportional to 54,380,046.20, 81,570,069.30 and 31,390,302.20 is: 47,085,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380,046.20 : 81,570,069.30 = 31,390,302.20 : x
  2. Step 2: Convert to fraction form
    54,380,046.20/81,570,069.30 = 31,390,302.20/x
  3. Step 3: Cross multiply
    54,380,046.20x = 81,570,069.30 × 31,390,302.20
  4. Step 4: Simplify right side
    54,380,046.20x = 2,560,509,125,801,942.50
  5. Step 5: Solve for x
    x = 2,560,509,125,801,942.50/54,380,046.20
  6. Step 6: Final answer
    x = 47,085,453.30

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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.