Home / 109,119,723.80-163,742,571.30-40,969,304.60

Finding the Fourth Proportional to 109,119,723.80, 163,742,571.30 and 40,969,304.60

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Solution

The fourth proportional to 109,119,723.80, 163,742,571.30 and 40,969,304.60 is: 61,477,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119,723.80 : 163,742,571.30 = 40,969,304.60 : x
  2. Step 2: Convert to fraction form
    109,119,723.80/163,742,571.30 = 40,969,304.60/x
  3. Step 3: Cross multiply
    109,119,723.80x = 163,742,571.30 × 40,969,304.60
  4. Step 4: Simplify right side
    109,119,723.80x = 6,708,419,279,576,919
  5. Step 5: Solve for x
    x = 6,708,419,279,576,919/109,119,723.80
  6. Step 6: Final answer
    x = 61,477,605.02

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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.