Home / 213,177,340.80-319,340,858.40-122,194,641.60

Finding the Fourth Proportional to 213,177,340.80, 319,340,858.40 and 122,194,641.60

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Solution

The fourth proportional to 213,177,340.80, 319,340,858.40 and 122,194,641.60 is: 183,048,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,177,340.80 : 319,340,858.40 = 122,194,641.60 : x
  2. Step 2: Convert to fraction form
    213,177,340.80/319,340,858.40 = 122,194,641.60/x
  3. Step 3: Cross multiply
    213,177,340.80x = 319,340,858.40 × 122,194,641.60
  4. Step 4: Simplify right side
    213,177,340.80x = 39,021,741,740,424,344
  5. Step 5: Solve for x
    x = 39,021,741,740,424,344/213,177,340.80
  6. Step 6: Final answer
    x = 183,048,262.04

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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.