Home / 202,375,509.91-279,278,293.85-109,556,014.75

Finding the Fourth Proportional to 202,375,509.91, 279,278,293.85 and 109,556,014.75

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Solution

The fourth proportional to 202,375,509.91, 279,278,293.85 and 109,556,014.75 is: 151,187,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,375,509.91 : 279,278,293.85 = 109,556,014.75 : x
  2. Step 2: Convert to fraction form
    202,375,509.91/279,278,293.85 = 109,556,014.75/x
  3. Step 3: Cross multiply
    202,375,509.91x = 279,278,293.85 × 109,556,014.75
  4. Step 4: Simplify right side
    202,375,509.91x = 30,596,616,880,385,436
  5. Step 5: Solve for x
    x = 30,596,616,880,385,436/202,375,509.91
  6. Step 6: Final answer
    x = 151,187,349.17

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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.