Home / 199,047,366.40-298,571,049.60-165,035,142.40

Finding the Fourth Proportional to 199,047,366.40, 298,571,049.60 and 165,035,142.40

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Solution

The fourth proportional to 199,047,366.40, 298,571,049.60 and 165,035,142.40 is: 247,552,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047,366.40 : 298,571,049.60 = 165,035,142.40 : x
  2. Step 2: Convert to fraction form
    199,047,366.40/298,571,049.60 = 165,035,142.40/x
  3. Step 3: Cross multiply
    199,047,366.40x = 298,571,049.60 × 165,035,142.40
  4. Step 4: Simplify right side
    199,047,366.40x = 49,274,715,687,253,472
  5. Step 5: Solve for x
    x = 49,274,715,687,253,472/199,047,366.40
  6. Step 6: Final answer
    x = 247,552,713.60

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1.5x scale

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.