Home / 147,986,877,960.73-204,222,042,728.55-80,321,482,129.15

Finding the Fourth Proportional to 147,986,877,960.73, 204,222,042,728.55 and 80,321,482,129.15

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Solution

The fourth proportional to 147,986,877,960.73, 204,222,042,728.55 and 80,321,482,129.15 is: 110,843,727,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,986,877,960.73 : 204,222,042,728.55 = 80,321,482,129.15 : x
  2. Step 2: Convert to fraction form
    147,986,877,960.73/204,222,042,728.55 = 80,321,482,129.15/x
  3. Step 3: Cross multiply
    147,986,877,960.73x = 204,222,042,728.55 × 80,321,482,129.15
  4. Step 4: Simplify right side
    147,986,877,960.73x = 16,403,417,155,399,734,788,096
  5. Step 5: Solve for x
    x = 16,403,417,155,399,734,788,096/147,986,877,960.73
  6. Step 6: Final answer
    x = 110,843,727,372.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.