Home / 85,019,668.30-127,529,502.45-41,972,947.30

Finding the Fourth Proportional to 85,019,668.30, 127,529,502.45 and 41,972,947.30

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Solution

The fourth proportional to 85,019,668.30, 127,529,502.45 and 41,972,947.30 is: 62,959,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019,668.30 : 127,529,502.45 = 41,972,947.30 : x
  2. Step 2: Convert to fraction form
    85,019,668.30/127,529,502.45 = 41,972,947.30/x
  3. Step 3: Cross multiply
    85,019,668.30x = 127,529,502.45 × 41,972,947.30
  4. Step 4: Simplify right side
    85,019,668.30x = 5,352,789,085,529,071
  5. Step 5: Solve for x
    x = 5,352,789,085,529,071/85,019,668.30
  6. Step 6: Final answer
    x = 62,959,420.95

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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.