Home / 85,298,059,152.53-117,715,021,798.78-47,236,266,150.20

Finding the Fourth Proportional to 85,298,059,152.53, 117,715,021,798.78 and 47,236,266,150.20

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Solution

The fourth proportional to 85,298,059,152.53, 117,715,021,798.78 and 47,236,266,150.20 is: 65,188,096,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,152.53 : 117,715,021,798.78 = 47,236,266,150.20 : x
  2. Step 2: Convert to fraction form
    85,298,059,152.53/117,715,021,798.78 = 47,236,266,150.20/x
  3. Step 3: Cross multiply
    85,298,059,152.53x = 117,715,021,798.78 × 47,236,266,150.20
  4. Step 4: Simplify right side
    85,298,059,152.53x = 5,560,418,099,563,766,743,040
  5. Step 5: Solve for x
    x = 5,560,418,099,563,766,743,040/85,298,059,152.53
  6. Step 6: Final answer
    x = 65,188,096,362.43

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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.