Home / 90,666,753.78-135,986,843.68-44,596,256.52

Finding the Fourth Proportional to 90,666,753.78, 135,986,843.68 and 44,596,256.52

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Solution

The fourth proportional to 90,666,753.78, 135,986,843.68 and 44,596,256.52 is: 66,887,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666,753.78 : 135,986,843.68 = 44,596,256.52 : x
  2. Step 2: Convert to fraction form
    90,666,753.78/135,986,843.68 = 44,596,256.52/x
  3. Step 3: Cross multiply
    90,666,753.78x = 135,986,843.68 × 44,596,256.52
  4. Step 4: Simplify right side
    90,666,753.78x = 6,064,504,164,098,422
  5. Step 5: Solve for x
    x = 6,064,504,164,098,422/90,666,753.78
  6. Step 6: Final answer
    x = 66,887,849.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.