Home / 217,321,986.12-299,877,120.92-146,910,797.52

Finding the Fourth Proportional to 217,321,986.12, 299,877,120.92 and 146,910,797.52

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Solution

The fourth proportional to 217,321,986.12, 299,877,120.92 and 146,910,797.52 is: 202,718,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,321,986.12 : 299,877,120.92 = 146,910,797.52 : x
  2. Step 2: Convert to fraction form
    217,321,986.12/299,877,120.92 = 146,910,797.52/x
  3. Step 3: Cross multiply
    217,321,986.12x = 299,877,120.92 × 146,910,797.52
  4. Step 4: Simplify right side
    217,321,986.12x = 44,055,186,992,358,680
  5. Step 5: Solve for x
    x = 44,055,186,992,358,680/217,321,986.12
  6. Step 6: Final answer
    x = 202,718,499.77

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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.