Home / 85,298,059,144.38-117,715,021,787.58-47,236,266,142.02

Finding the Fourth Proportional to 85,298,059,144.38, 117,715,021,787.58 and 47,236,266,142.02

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Solution

The fourth proportional to 85,298,059,144.38, 117,715,021,787.58 and 47,236,266,142.02 is: 65,188,096,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,144.38 : 117,715,021,787.58 = 47,236,266,142.02 : x
  2. Step 2: Convert to fraction form
    85,298,059,144.38/117,715,021,787.58 = 47,236,266,142.02/x
  3. Step 3: Cross multiply
    85,298,059,144.38x = 117,715,021,787.58 × 47,236,266,142.02
  4. Step 4: Simplify right side
    85,298,059,144.38x = 5,560,418,098,071,811,915,776
  5. Step 5: Solve for x
    x = 5,560,418,098,071,811,915,776/85,298,059,144.38
  6. Step 6: Final answer
    x = 65,188,096,351.17

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1.5x scale

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.