Home / 51,691,146,621.28-71,339,266,533.48-30,299,361,115.12

Finding the Fourth Proportional to 51,691,146,621.28, 71,339,266,533.48 and 30,299,361,115.12

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Solution

The fourth proportional to 51,691,146,621.28, 71,339,266,533.48 and 30,299,361,115.12 is: 41,816,332,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691,146,621.28 : 71,339,266,533.48 = 30,299,361,115.12 : x
  2. Step 2: Convert to fraction form
    51,691,146,621.28/71,339,266,533.48 = 30,299,361,115.12/x
  3. Step 3: Cross multiply
    51,691,146,621.28x = 71,339,266,533.48 × 30,299,361,115.12
  4. Step 4: Simplify right side
    51,691,146,621.28x = 2,161,534,198,385,705,222,144
  5. Step 5: Solve for x
    x = 2,161,534,198,385,705,222,144/51,691,146,621.28
  6. Step 6: Final answer
    x = 41,816,332,963.60

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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.