Home / 200,519,186.04-300,717,548.46-138,668,081.40

Finding the Fourth Proportional to 200,519,186.04, 300,717,548.46 and 138,668,081.40

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Solution

The fourth proportional to 200,519,186.04, 300,717,548.46 and 138,668,081.40 is: 207,959,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,519,186.04 : 300,717,548.46 = 138,668,081.40 : x
  2. Step 2: Convert to fraction form
    200,519,186.04/300,717,548.46 = 138,668,081.40/x
  3. Step 3: Cross multiply
    200,519,186.04x = 300,717,548.46 × 138,668,081.40
  4. Step 4: Simplify right side
    200,519,186.04x = 41,699,925,488,259,720
  5. Step 5: Solve for x
    x = 41,699,925,488,259,720/200,519,186.04
  6. Step 6: Final answer
    x = 207,959,778.37

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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.