Home / 47,029,751.20-70,567,737.94-21,140,344.56

Finding the Fourth Proportional to 47,029,751.20, 70,567,737.94 and 21,140,344.56

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Solution

The fourth proportional to 47,029,751.20, 70,567,737.94 and 21,140,344.56 is: 31,720,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,751.20 : 70,567,737.94 = 21,140,344.56 : x
  2. Step 2: Convert to fraction form
    47,029,751.20/70,567,737.94 = 21,140,344.56/x
  3. Step 3: Cross multiply
    47,029,751.20x = 70,567,737.94 × 21,140,344.56
  4. Step 4: Simplify right side
    47,029,751.20x = 1,491,826,295,162,439
  5. Step 5: Solve for x
    x = 1,491,826,295,162,439/47,029,751.20
  6. Step 6: Final answer
    x = 31,720,905.53

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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.