Home / 82,826,783.54-114,300,029.94-45,149,121.81

Finding the Fourth Proportional to 82,826,783.54, 114,300,029.94 and 45,149,121.81

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Solution

The fourth proportional to 82,826,783.54, 114,300,029.94 and 45,149,121.81 is: 62,305,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,826,783.54 : 114,300,029.94 = 45,149,121.81 : x
  2. Step 2: Convert to fraction form
    82,826,783.54/114,300,029.94 = 45,149,121.81/x
  3. Step 3: Cross multiply
    82,826,783.54x = 114,300,029.94 × 45,149,121.81
  4. Step 4: Simplify right side
    82,826,783.54x = 5,160,545,974,647,707
  5. Step 5: Solve for x
    x = 5,160,545,974,647,707/82,826,783.54
  6. Step 6: Final answer
    x = 62,305,280.42

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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.