Home / 138,295,265.80-207,453,396.30-41,243,398.60

Finding the Fourth Proportional to 138,295,265.80, 207,453,396.30 and 41,243,398.60

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Solution

The fourth proportional to 138,295,265.80, 207,453,396.30 and 41,243,398.60 is: 61,868,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,295,265.80 : 207,453,396.30 = 41,243,398.60 : x
  2. Step 2: Convert to fraction form
    138,295,265.80/207,453,396.30 = 41,243,398.60/x
  3. Step 3: Cross multiply
    138,295,265.80x = 207,453,396.30 × 41,243,398.60
  4. Step 4: Simplify right side
    138,295,265.80x = 8,556,083,114,524,666
  5. Step 5: Solve for x
    x = 8,556,083,114,524,666/138,295,265.80
  6. Step 6: Final answer
    x = 61,868,228.57

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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.