Home / 199,086,411.40-298,629,617.10-165,074,187.40

Finding the Fourth Proportional to 199,086,411.40, 298,629,617.10 and 165,074,187.40

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Solution

The fourth proportional to 199,086,411.40, 298,629,617.10 and 165,074,187.40 is: 247,611,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,086,411.40 : 298,629,617.10 = 165,074,187.40 : x
  2. Step 2: Convert to fraction form
    199,086,411.40/298,629,617.10 = 165,074,187.40/x
  3. Step 3: Cross multiply
    199,086,411.40x = 298,629,617.10 × 165,074,187.40
  4. Step 4: Simplify right side
    199,086,411.40x = 49,296,041,376,355,648
  5. Step 5: Solve for x
    x = 49,296,041,376,355,648/199,086,411.40
  6. Step 6: Final answer
    x = 247,611,281.10

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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.