Home / 109,933,942.07-151,767,738.86-84,761,071.76

Finding the Fourth Proportional to 109,933,942.07, 151,767,738.86 and 84,761,071.76

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Solution

The fourth proportional to 109,933,942.07, 151,767,738.86 and 84,761,071.76 is: 117,015,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933,942.07 : 151,767,738.86 = 84,761,071.76 : x
  2. Step 2: Convert to fraction form
    109,933,942.07/151,767,738.86 = 84,761,071.76/x
  3. Step 3: Cross multiply
    109,933,942.07x = 151,767,738.86 × 84,761,071.76
  4. Step 4: Simplify right side
    109,933,942.07x = 12,863,996,204,321,014
  5. Step 5: Solve for x
    x = 12,863,996,204,321,014/109,933,942.07
  6. Step 6: Final answer
    x = 117,015,691.08

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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.