Home / 338,629,897.40-507,944,846.10-108,622,232.60

Finding the Fourth Proportional to 338,629,897.40, 507,944,846.10 and 108,622,232.60

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Solution

The fourth proportional to 338,629,897.40, 507,944,846.10 and 108,622,232.60 is: 162,933,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,629,897.40 : 507,944,846.10 = 108,622,232.60 : x
  2. Step 2: Convert to fraction form
    338,629,897.40/507,944,846.10 = 108,622,232.60/x
  3. Step 3: Cross multiply
    338,629,897.40x = 507,944,846.10 × 108,622,232.60
  4. Step 4: Simplify right side
    338,629,897.40x = 55,174,103,221,045,400
  5. Step 5: Solve for x
    x = 55,174,103,221,045,400/338,629,897.40
  6. Step 6: Final answer
    x = 162,933,348.90

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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.