Home / 199,049,603.40-298,574,405.10-165,037,379.40

Finding the Fourth Proportional to 199,049,603.40, 298,574,405.10 and 165,037,379.40

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Solution

The fourth proportional to 199,049,603.40, 298,574,405.10 and 165,037,379.40 is: 247,556,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,049,603.40 : 298,574,405.10 = 165,037,379.40 : x
  2. Step 2: Convert to fraction form
    199,049,603.40/298,574,405.10 = 165,037,379.40/x
  3. Step 3: Cross multiply
    199,049,603.40x = 298,574,405.10 × 165,037,379.40
  4. Step 4: Simplify right side
    199,049,603.40x = 49,275,937,373,618,000
  5. Step 5: Solve for x
    x = 49,275,937,373,618,000/199,049,603.40
  6. Step 6: Final answer
    x = 247,556,069.10

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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.