Home / 47,921,352.80-71,882,029.20-19,188,109.40

Finding the Fourth Proportional to 47,921,352.80, 71,882,029.20 and 19,188,109.40

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Solution

The fourth proportional to 47,921,352.80, 71,882,029.20 and 19,188,109.40 is: 28,782,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921,352.80 : 71,882,029.20 = 19,188,109.40 : x
  2. Step 2: Convert to fraction form
    47,921,352.80/71,882,029.20 = 19,188,109.40/x
  3. Step 3: Cross multiply
    47,921,352.80x = 71,882,029.20 × 19,188,109.40
  4. Step 4: Simplify right side
    47,921,352.80x = 1,379,280,240,183,594.50
  5. Step 5: Solve for x
    x = 1,379,280,240,183,594.50/47,921,352.80
  6. Step 6: Final answer
    x = 28,782,164.10

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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.