Home / 82,289,485.20-123,430,291.20-27,696,716.40

Finding the Fourth Proportional to 82,289,485.20, 123,430,291.20 and 27,696,716.40

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Solution

The fourth proportional to 82,289,485.20, 123,430,291.20 and 27,696,716.40 is: 41,543,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289,485.20 : 123,430,291.20 = 27,696,716.40 : x
  2. Step 2: Convert to fraction form
    82,289,485.20/123,430,291.20 = 27,696,716.40/x
  3. Step 3: Cross multiply
    82,289,485.20x = 123,430,291.20 × 27,696,716.40
  4. Step 4: Simplify right side
    82,289,485.20x = 3,418,613,770,535,815.50
  5. Step 5: Solve for x
    x = 3,418,613,770,535,815.50/82,289,485.20
  6. Step 6: Final answer
    x = 41,543,749.63

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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.