Home / 101,556,270.40-140,147,209.92-55,146,147.52

Finding the Fourth Proportional to 101,556,270.40, 140,147,209.92 and 55,146,147.52

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Solution

The fourth proportional to 101,556,270.40, 140,147,209.92 and 55,146,147.52 is: 76,101,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556,270.40 : 140,147,209.92 = 55,146,147.52 : x
  2. Step 2: Convert to fraction form
    101,556,270.40/140,147,209.92 = 55,146,147.52/x
  3. Step 3: Cross multiply
    101,556,270.40x = 140,147,209.92 × 55,146,147.52
  4. Step 4: Simplify right side
    101,556,270.40x = 7,728,578,712,764,727
  5. Step 5: Solve for x
    x = 7,728,578,712,764,727/101,556,270.40
  6. Step 6: Final answer
    x = 76,101,442.90

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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.