Home / 79,788,080.52-119,682,153.60-19,203,806.52

Finding the Fourth Proportional to 79,788,080.52, 119,682,153.60 and 19,203,806.52

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Solution

The fourth proportional to 79,788,080.52, 119,682,153.60 and 19,203,806.52 is: 28,805,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788,080.52 : 119,682,153.60 = 19,203,806.52 : x
  2. Step 2: Convert to fraction form
    79,788,080.52/119,682,153.60 = 19,203,806.52/x
  3. Step 3: Cross multiply
    79,788,080.52x = 119,682,153.60 × 19,203,806.52
  4. Step 4: Simplify right side
    79,788,080.52x = 2,298,352,921,631,321.50
  5. Step 5: Solve for x
    x = 2,298,352,921,631,321.50/79,788,080.52
  6. Step 6: Final answer
    x = 28,805,717.68

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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.