Home / 84,279,936.24-116,315,753.76-47,612,869.20

Finding the Fourth Proportional to 84,279,936.24, 116,315,753.76 and 47,612,869.20

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Solution

The fourth proportional to 84,279,936.24, 116,315,753.76 and 47,612,869.20 is: 65,711,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279,936.24 : 116,315,753.76 = 47,612,869.20 : x
  2. Step 2: Convert to fraction form
    84,279,936.24/116,315,753.76 = 47,612,869.20/x
  3. Step 3: Cross multiply
    84,279,936.24x = 116,315,753.76 × 47,612,869.20
  4. Step 4: Simplify right side
    84,279,936.24x = 5,538,126,769,674,289
  5. Step 5: Solve for x
    x = 5,538,126,769,674,289/84,279,936.24
  6. Step 6: Final answer
    x = 65,711,093.49

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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.