Home / 50,203,421.20-75,315,629.40-16,128,211.60

Finding the Fourth Proportional to 50,203,421.20, 75,315,629.40 and 16,128,211.60

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Solution

The fourth proportional to 50,203,421.20, 75,315,629.40 and 16,128,211.60 is: 24,195,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,203,421.20 : 75,315,629.40 = 16,128,211.60 : x
  2. Step 2: Convert to fraction form
    50,203,421.20/75,315,629.40 = 16,128,211.60/x
  3. Step 3: Cross multiply
    50,203,421.20x = 75,315,629.40 × 16,128,211.60
  4. Step 4: Simplify right side
    50,203,421.20x = 1,214,706,407,750,381
  5. Step 5: Solve for x
    x = 1,214,706,407,750,381/50,203,421.20
  6. Step 6: Final answer
    x = 24,195,689.83

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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.