Home / 82,589,928.14-113,941,844.60-47,288,868.59

Finding the Fourth Proportional to 82,589,928.14, 113,941,844.60 and 47,288,868.59

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Solution

The fourth proportional to 82,589,928.14, 113,941,844.60 and 47,288,868.59 is: 65,240,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,589,928.14 : 113,941,844.60 = 47,288,868.59 : x
  2. Step 2: Convert to fraction form
    82,589,928.14/113,941,844.60 = 47,288,868.59/x
  3. Step 3: Cross multiply
    82,589,928.14x = 113,941,844.60 × 47,288,868.59
  4. Step 4: Simplify right side
    82,589,928.14x = 5,388,180,915,385,448
  5. Step 5: Solve for x
    x = 5,388,180,915,385,448/82,589,928.14
  6. Step 6: Final answer
    x = 65,240,169.56

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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.