Home / 69,979,609.80-104,969,414.70-39,746,521.80

Finding the Fourth Proportional to 69,979,609.80, 104,969,414.70 and 39,746,521.80

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Solution

The fourth proportional to 69,979,609.80, 104,969,414.70 and 39,746,521.80 is: 59,619,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,609.80 : 104,969,414.70 = 39,746,521.80 : x
  2. Step 2: Convert to fraction form
    69,979,609.80/104,969,414.70 = 39,746,521.80/x
  3. Step 3: Cross multiply
    69,979,609.80x = 104,969,414.70 × 39,746,521.80
  4. Step 4: Simplify right side
    69,979,609.80x = 4,172,169,129,706,790.50
  5. Step 5: Solve for x
    x = 4,172,169,129,706,790.50/69,979,609.80
  6. Step 6: Final answer
    x = 59,619,782.70

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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.