Home / 80,615,823.20-120,846,320.40-26,735,400.80

Finding the Fourth Proportional to 80,615,823.20, 120,846,320.40 and 26,735,400.80

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Solution

The fourth proportional to 80,615,823.20, 120,846,320.40 and 26,735,400.80 is: 40,077,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,615,823.20 : 120,846,320.40 = 26,735,400.80 : x
  2. Step 2: Convert to fraction form
    80,615,823.20/120,846,320.40 = 26,735,400.80/x
  3. Step 3: Cross multiply
    80,615,823.20x = 120,846,320.40 × 26,735,400.80
  4. Step 4: Simplify right side
    80,615,823.20x = 3,230,874,811,099,216.50
  5. Step 5: Solve for x
    x = 3,230,874,811,099,216.50/80,615,823.20
  6. Step 6: Final answer
    x = 40,077,427.52

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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.