Home / 263,042,362.80-394,563,544.20-142,110,010.80

Finding the Fourth Proportional to 263,042,362.80, 394,563,544.20 and 142,110,010.80

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Solution

The fourth proportional to 263,042,362.80, 394,563,544.20 and 142,110,010.80 is: 213,165,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,042,362.80 : 394,563,544.20 = 142,110,010.80 : x
  2. Step 2: Convert to fraction form
    263,042,362.80/394,563,544.20 = 142,110,010.80/x
  3. Step 3: Cross multiply
    263,042,362.80x = 394,563,544.20 × 142,110,010.80
  4. Step 4: Simplify right side
    263,042,362.80x = 56,071,429,527,548,280
  5. Step 5: Solve for x
    x = 56,071,429,527,548,280/263,042,362.80
  6. Step 6: Final answer
    x = 213,165,016.20

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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.