Home / 53,991,217.20-80,993,929.80-19,936,484.40

Finding the Fourth Proportional to 53,991,217.20, 80,993,929.80 and 19,936,484.40

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Solution

The fourth proportional to 53,991,217.20, 80,993,929.80 and 19,936,484.40 is: 29,907,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,991,217.20 : 80,993,929.80 = 19,936,484.40 : x
  2. Step 2: Convert to fraction form
    53,991,217.20/80,993,929.80 = 19,936,484.40/x
  3. Step 3: Cross multiply
    53,991,217.20x = 80,993,929.80 × 19,936,484.40
  4. Step 4: Simplify right side
    53,991,217.20x = 1,614,734,217,952,395
  5. Step 5: Solve for x
    x = 1,614,734,217,952,395/53,991,217.20
  6. Step 6: Final answer
    x = 29,907,349.78

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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.