Home / 50,784,490.80-76,176,736.20-43,478,161.20

Finding the Fourth Proportional to 50,784,490.80, 76,176,736.20 and 43,478,161.20

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Solution

The fourth proportional to 50,784,490.80, 76,176,736.20 and 43,478,161.20 is: 65,217,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784,490.80 : 76,176,736.20 = 43,478,161.20 : x
  2. Step 2: Convert to fraction form
    50,784,490.80/76,176,736.20 = 43,478,161.20/x
  3. Step 3: Cross multiply
    50,784,490.80x = 76,176,736.20 × 43,478,161.20
  4. Step 4: Simplify right side
    50,784,490.80x = 3,312,024,416,193,476
  5. Step 5: Solve for x
    x = 3,312,024,416,193,476/50,784,490.80
  6. Step 6: Final answer
    x = 65,217,241.80

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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.