Home / 53,367,806.88-73,647,636.48-28,921,520.88

Finding the Fourth Proportional to 53,367,806.88, 73,647,636.48 and 28,921,520.88

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Solution

The fourth proportional to 53,367,806.88, 73,647,636.48 and 28,921,520.88 is: 39,911,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367,806.88 : 73,647,636.48 = 28,921,520.88 : x
  2. Step 2: Convert to fraction form
    53,367,806.88/73,647,636.48 = 28,921,520.88/x
  3. Step 3: Cross multiply
    53,367,806.88x = 73,647,636.48 × 28,921,520.88
  4. Step 4: Simplify right side
    53,367,806.88x = 2,130,001,656,218,969.75
  5. Step 5: Solve for x
    x = 2,130,001,656,218,969.75/53,367,806.88
  6. Step 6: Final answer
    x = 39,911,732.95

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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.