Home / 85,298,059,143.38-117,715,021,786.20-47,236,266,141.02

Finding the Fourth Proportional to 85,298,059,143.38, 117,715,021,786.20 and 47,236,266,141.02

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Solution

The fourth proportional to 85,298,059,143.38, 117,715,021,786.20 and 47,236,266,141.02 is: 65,188,096,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,143.38 : 117,715,021,786.20 = 47,236,266,141.02 : x
  2. Step 2: Convert to fraction form
    85,298,059,143.38/117,715,021,786.20 = 47,236,266,141.02/x
  3. Step 3: Cross multiply
    85,298,059,143.38x = 117,715,021,786.20 × 47,236,266,141.02
  4. Step 4: Simplify right side
    85,298,059,143.38x = 5,560,418,097,888,909,852,672
  5. Step 5: Solve for x
    x = 5,560,418,097,888,909,852,672/85,298,059,143.38
  6. Step 6: Final answer
    x = 65,188,096,349.79

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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.