Home / 199,049,614.90-298,574,422.35-165,037,390.90

Finding the Fourth Proportional to 199,049,614.90, 298,574,422.35 and 165,037,390.90

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Solution

The fourth proportional to 199,049,614.90, 298,574,422.35 and 165,037,390.90 is: 247,556,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,049,614.90 : 298,574,422.35 = 165,037,390.90 : x
  2. Step 2: Convert to fraction form
    199,049,614.90/298,574,422.35 = 165,037,390.90/x
  3. Step 3: Cross multiply
    199,049,614.90x = 298,574,422.35 × 165,037,390.90
  4. Step 4: Simplify right side
    199,049,614.90x = 49,275,943,654,118,656
  5. Step 5: Solve for x
    x = 49,275,943,654,118,656/199,049,614.90
  6. Step 6: Final answer
    x = 247,556,086.35

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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.