Home / 202,133,618.26-278,945,233.79-109,314,126.10

Finding the Fourth Proportional to 202,133,618.26, 278,945,233.79 and 109,314,126.10

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Solution

The fourth proportional to 202,133,618.26, 278,945,233.79 and 109,314,126.10 is: 150,853,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,618.26 : 278,945,233.79 = 109,314,126.10 : x
  2. Step 2: Convert to fraction form
    202,133,618.26/278,945,233.79 = 109,314,126.10/x
  3. Step 3: Cross multiply
    202,133,618.26x = 278,945,233.79 × 109,314,126.10
  4. Step 4: Simplify right side
    202,133,618.26x = 30,492,654,461,514,040
  5. Step 5: Solve for x
    x = 30,492,654,461,514,040/202,133,618.26
  6. Step 6: Final answer
    x = 150,853,948.61

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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.