Home / 147,079,878.72-220,332,806.64-114,579,604.68

Finding the Fourth Proportional to 147,079,878.72, 220,332,806.64 and 114,579,604.68

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Solution

The fourth proportional to 147,079,878.72, 220,332,806.64 and 114,579,604.68 is: 171,645,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,079,878.72 : 220,332,806.64 = 114,579,604.68 : x
  2. Step 2: Convert to fraction form
    147,079,878.72/220,332,806.64 = 114,579,604.68/x
  3. Step 3: Cross multiply
    147,079,878.72x = 220,332,806.64 × 114,579,604.68
  4. Step 4: Simplify right side
    147,079,878.72x = 25,245,645,882,846,080
  5. Step 5: Solve for x
    x = 25,245,645,882,846,080/147,079,878.72
  6. Step 6: Final answer
    x = 171,645,816.56

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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.