Home / 79,940,981,733.21-119,912,393,761.30-28,893,155,267.04

Finding the Fourth Proportional to 79,940,981,733.21, 119,912,393,761.30 and 28,893,155,267.04

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Solution

The fourth proportional to 79,940,981,733.21, 119,912,393,761.30 and 28,893,155,267.04 is: 43,340,065,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940,981,733.21 : 119,912,393,761.30 = 28,893,155,267.04 : x
  2. Step 2: Convert to fraction form
    79,940,981,733.21/119,912,393,761.30 = 28,893,155,267.04/x
  3. Step 3: Cross multiply
    79,940,981,733.21x = 119,912,393,761.30 × 28,893,155,267.04
  4. Step 4: Simplify right side
    79,940,981,733.21x = 3,464,647,411,387,679,637,504
  5. Step 5: Solve for x
    x = 3,464,647,411,387,679,637,504/79,940,981,733.21
  6. Step 6: Final answer
    x = 43,340,065,836.95

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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.