Home / 85,045,980.41-127,618,481.82-35,858,749.28

Finding the Fourth Proportional to 85,045,980.41, 127,618,481.82 and 35,858,749.28

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Solution

The fourth proportional to 85,045,980.41, 127,618,481.82 and 35,858,749.28 is: 53,808,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,980.41 : 127,618,481.82 = 35,858,749.28 : x
  2. Step 2: Convert to fraction form
    85,045,980.41/127,618,481.82 = 35,858,749.28/x
  3. Step 3: Cross multiply
    85,045,980.41x = 127,618,481.82 × 35,858,749.28
  4. Step 4: Simplify right side
    85,045,980.41x = 4,576,239,143,217,370
  5. Step 5: Solve for x
    x = 4,576,239,143,217,370/85,045,980.41
  6. Step 6: Final answer
    x = 53,808,999.81

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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.