Home / 50,654,612.20-76,019,243.10-20,384,199.40

Finding the Fourth Proportional to 50,654,612.20, 76,019,243.10 and 20,384,199.40

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Solution

The fourth proportional to 50,654,612.20, 76,019,243.10 and 20,384,199.40 is: 30,591,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,654,612.20 : 76,019,243.10 = 20,384,199.40 : x
  2. Step 2: Convert to fraction form
    50,654,612.20/76,019,243.10 = 20,384,199.40/x
  3. Step 3: Cross multiply
    50,654,612.20x = 76,019,243.10 × 20,384,199.40
  4. Step 4: Simplify right side
    50,654,612.20x = 1,549,591,409,587,474
  5. Step 5: Solve for x
    x = 1,549,591,409,587,474/50,654,612.20
  6. Step 6: Final answer
    x = 30,591,319.18

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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.