Home / 199,179,743.40-298,769,615.10-165,167,519.40

Finding the Fourth Proportional to 199,179,743.40, 298,769,615.10 and 165,167,519.40

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Solution

The fourth proportional to 199,179,743.40, 298,769,615.10 and 165,167,519.40 is: 247,751,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,179,743.40 : 298,769,615.10 = 165,167,519.40 : x
  2. Step 2: Convert to fraction form
    199,179,743.40/298,769,615.10 = 165,167,519.40/x
  3. Step 3: Cross multiply
    199,179,743.40x = 298,769,615.10 × 165,167,519.40
  4. Step 4: Simplify right side
    199,179,743.40x = 49,347,036,198,159,792
  5. Step 5: Solve for x
    x = 49,347,036,198,159,792/199,179,743.40
  6. Step 6: Final answer
    x = 247,751,279.10

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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.