Home / 149,538,469.40-224,538,651.30-81,514,021.40

Finding the Fourth Proportional to 149,538,469.40, 224,538,651.30 and 81,514,021.40

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Solution

The fourth proportional to 149,538,469.40, 224,538,651.30 and 81,514,021.40 is: 122,396,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538,469.40 : 224,538,651.30 = 81,514,021.40 : x
  2. Step 2: Convert to fraction form
    149,538,469.40/224,538,651.30 = 81,514,021.40/x
  3. Step 3: Cross multiply
    149,538,469.40x = 224,538,651.30 × 81,514,021.40
  4. Step 4: Simplify right side
    149,538,469.40x = 18,303,048,427,195,340
  5. Step 5: Solve for x
    x = 18,303,048,427,195,340/149,538,469.40
  6. Step 6: Final answer
    x = 122,396,922.35

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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.