Home / 132,295,378.65-198,469,557-74,085,836.28

Finding the Fourth Proportional to 132,295,378.65, 198,469,557 and 74,085,836.28

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Solution

The fourth proportional to 132,295,378.65, 198,469,557 and 74,085,836.28 is: 111,143,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,295,378.65 : 198,469,557 = 74,085,836.28 : x
  2. Step 2: Convert to fraction form
    132,295,378.65/198,469,557 = 74,085,836.28/x
  3. Step 3: Cross multiply
    132,295,378.65x = 198,469,557 × 74,085,836.28
  4. Step 4: Simplify right side
    132,295,378.65x = 14,703,783,106,466,128
  5. Step 5: Solve for x
    x = 14,703,783,106,466,128/132,295,378.65
  6. Step 6: Final answer
    x = 111,143,588.36

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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.