Home / 148,206,289.45-204,525,880.31-82,127,891.47

Finding the Fourth Proportional to 148,206,289.45, 204,525,880.31 and 82,127,891.47

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Solution

The fourth proportional to 148,206,289.45, 204,525,880.31 and 82,127,891.47 is: 113,337,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,206,289.45 : 204,525,880.31 = 82,127,891.47 : x
  2. Step 2: Convert to fraction form
    148,206,289.45/204,525,880.31 = 82,127,891.47/x
  3. Step 3: Cross multiply
    148,206,289.45x = 204,525,880.31 × 82,127,891.47
  4. Step 4: Simplify right side
    148,206,289.45x = 16,797,279,300,905,890
  5. Step 5: Solve for x
    x = 16,797,279,300,905,890/148,206,289.45
  6. Step 6: Final answer
    x = 113,337,155.69

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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.