Home / 66,142,723.21-91,282,065.27-39,682,069.27

Finding the Fourth Proportional to 66,142,723.21, 91,282,065.27 and 39,682,069.27

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Solution

The fourth proportional to 66,142,723.21, 91,282,065.27 and 39,682,069.27 is: 54,764,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,723.21 : 91,282,065.27 = 39,682,069.27 : x
  2. Step 2: Convert to fraction form
    66,142,723.21/91,282,065.27 = 39,682,069.27/x
  3. Step 3: Cross multiply
    66,142,723.21x = 91,282,065.27 × 39,682,069.27
  4. Step 4: Simplify right side
    66,142,723.21x = 3,622,261,237,152,801.50
  5. Step 5: Solve for x
    x = 3,622,261,237,152,801.50/66,142,723.21
  6. Step 6: Final answer
    x = 54,764,319.66

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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.