Home / 79,788,079.27-119,682,151.71-19,203,805.27

Finding the Fourth Proportional to 79,788,079.27, 119,682,151.71 and 19,203,805.27

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Solution

The fourth proportional to 79,788,079.27, 119,682,151.71 and 19,203,805.27 is: 28,805,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788,079.27 : 119,682,151.71 = 19,203,805.27 : x
  2. Step 2: Convert to fraction form
    79,788,079.27/119,682,151.71 = 19,203,805.27/x
  3. Step 3: Cross multiply
    79,788,079.27x = 119,682,151.71 × 19,203,805.27
  4. Step 4: Simplify right side
    79,788,079.27x = 2,298,352,735,733,437.50
  5. Step 5: Solve for x
    x = 2,298,352,735,733,437.50/79,788,079.27
  6. Step 6: Final answer
    x = 28,805,715.80

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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.