Home / 66,268,907.92-91,450,221.24-36,498,984.40

Finding the Fourth Proportional to 66,268,907.92, 91,450,221.24 and 36,498,984.40

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Solution

The fourth proportional to 66,268,907.92, 91,450,221.24 and 36,498,984.40 is: 50,368,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268,907.92 : 91,450,221.24 = 36,498,984.40 : x
  2. Step 2: Convert to fraction form
    66,268,907.92/91,450,221.24 = 36,498,984.40/x
  3. Step 3: Cross multiply
    66,268,907.92x = 91,450,221.24 × 36,498,984.40
  4. Step 4: Simplify right side
    66,268,907.92x = 3,337,840,198,415,308.50
  5. Step 5: Solve for x
    x = 3,337,840,198,415,308.50/66,268,907.92
  6. Step 6: Final answer
    x = 50,368,118.37

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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.