Home / 80,536,881.71-120,783,274.77-22,230,621.28

Finding the Fourth Proportional to 80,536,881.71, 120,783,274.77 and 22,230,621.28

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Solution

The fourth proportional to 80,536,881.71, 120,783,274.77 and 22,230,621.28 is: 33,339,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536,881.71 : 120,783,274.77 = 22,230,621.28 : x
  2. Step 2: Convert to fraction form
    80,536,881.71/120,783,274.77 = 22,230,621.28/x
  3. Step 3: Cross multiply
    80,536,881.71x = 120,783,274.77 × 22,230,621.28
  4. Step 4: Simplify right side
    80,536,881.71x = 2,685,087,238,416,766.50
  5. Step 5: Solve for x
    x = 2,685,087,238,416,766.50/80,536,881.71
  6. Step 6: Final answer
    x = 33,339,846.06

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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.