Home / 81,005,649.34-111,786,944.34-43,835,116

Finding the Fourth Proportional to 81,005,649.34, 111,786,944.34 and 43,835,116

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Solution

The fourth proportional to 81,005,649.34, 111,786,944.34 and 43,835,116 is: 60,491,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,005,649.34 : 111,786,944.34 = 43,835,116 : x
  2. Step 2: Convert to fraction form
    81,005,649.34/111,786,944.34 = 43,835,116/x
  3. Step 3: Cross multiply
    81,005,649.34x = 111,786,944.34 × 43,835,116
  4. Step 4: Simplify right side
    81,005,649.34x = 4,900,193,672,429,444
  5. Step 5: Solve for x
    x = 4,900,193,672,429,444/81,005,649.34
  6. Step 6: Final answer
    x = 60,491,999.17

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1.5x scale

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.