Home / 77,027,588.28-106,308,971.74-47,668,376.27

Finding the Fourth Proportional to 77,027,588.28, 106,308,971.74 and 47,668,376.27

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Solution

The fourth proportional to 77,027,588.28, 106,308,971.74 and 47,668,376.27 is: 65,789,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,027,588.28 : 106,308,971.74 = 47,668,376.27 : x
  2. Step 2: Convert to fraction form
    77,027,588.28/106,308,971.74 = 47,668,376.27/x
  3. Step 3: Cross multiply
    77,027,588.28x = 106,308,971.74 × 47,668,376.27
  4. Step 4: Simplify right side
    77,027,588.28x = 5,067,576,066,104,474
  5. Step 5: Solve for x
    x = 5,067,576,066,104,474/77,027,588.28
  6. Step 6: Final answer
    x = 65,789,104.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.