Home / 101,515,490.37-140,091,554.43-55,105,775.73

Finding the Fourth Proportional to 101,515,490.37, 140,091,554.43 and 55,105,775.73

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Solution

The fourth proportional to 101,515,490.37, 140,091,554.43 and 55,105,775.73 is: 76,046,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515,490.37 : 140,091,554.43 = 55,105,775.73 : x
  2. Step 2: Convert to fraction form
    101,515,490.37/140,091,554.43 = 55,105,775.73/x
  3. Step 3: Cross multiply
    101,515,490.37x = 140,091,554.43 × 55,105,775.73
  4. Step 4: Simplify right side
    101,515,490.37x = 7,719,853,780,086,668
  5. Step 5: Solve for x
    x = 7,719,853,780,086,668/101,515,490.37
  6. Step 6: Final answer
    x = 76,046,066.98

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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.