Home / 268,641,007.80-402,289,665.30-214,893,295.80

Finding the Fourth Proportional to 268,641,007.80, 402,289,665.30 and 214,893,295.80

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Solution

The fourth proportional to 268,641,007.80, 402,289,665.30 and 214,893,295.80 is: 321,802,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,641,007.80 : 402,289,665.30 = 214,893,295.80 : x
  2. Step 2: Convert to fraction form
    268,641,007.80/402,289,665.30 = 214,893,295.80/x
  3. Step 3: Cross multiply
    268,641,007.80x = 402,289,665.30 × 214,893,295.80
  4. Step 4: Simplify right side
    268,641,007.80x = 86,449,352,042,595,904
  5. Step 5: Solve for x
    x = 86,449,352,042,595,904/268,641,007.80
  6. Step 6: Final answer
    x = 321,802,515.37

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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.