Home / 79,940,981,732.71-119,912,393,760.55-28,893,155,266.54

Finding the Fourth Proportional to 79,940,981,732.71, 119,912,393,760.55 and 28,893,155,266.54

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Solution

The fourth proportional to 79,940,981,732.71, 119,912,393,760.55 and 28,893,155,266.54 is: 43,340,065,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940,981,732.71 : 119,912,393,760.55 = 28,893,155,266.54 : x
  2. Step 2: Convert to fraction form
    79,940,981,732.71/119,912,393,760.55 = 28,893,155,266.54/x
  3. Step 3: Cross multiply
    79,940,981,732.71x = 119,912,393,760.55 × 28,893,155,266.54
  4. Step 4: Simplify right side
    79,940,981,732.71x = 3,464,647,411,306,053,763,072
  5. Step 5: Solve for x
    x = 3,464,647,411,306,053,763,072/79,940,981,732.71
  6. Step 6: Final answer
    x = 43,340,065,836.20

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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.