Home / 53,354,958.54-73,629,891.27-28,908,672.54

Finding the Fourth Proportional to 53,354,958.54, 73,629,891.27 and 28,908,672.54

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Solution

The fourth proportional to 53,354,958.54, 73,629,891.27 and 28,908,672.54 is: 39,893,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354,958.54 : 73,629,891.27 = 28,908,672.54 : x
  2. Step 2: Convert to fraction form
    53,354,958.54/73,629,891.27 = 28,908,672.54/x
  3. Step 3: Cross multiply
    53,354,958.54x = 73,629,891.27 × 28,908,672.54
  4. Step 4: Simplify right side
    53,354,958.54x = 2,128,542,415,880,234.50
  5. Step 5: Solve for x
    x = 2,128,542,415,880,234.50/53,354,958.54
  6. Step 6: Final answer
    x = 39,893,994.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.