Home / 78,505,999.14-117,776,561.96-23,922,856.56

Finding the Fourth Proportional to 78,505,999.14, 117,776,561.96 and 23,922,856.56

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Solution

The fourth proportional to 78,505,999.14, 117,776,561.96 and 23,922,856.56 is: 35,889,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,505,999.14 : 117,776,561.96 = 23,922,856.56 : x
  2. Step 2: Convert to fraction form
    78,505,999.14/117,776,561.96 = 23,922,856.56/x
  3. Step 3: Cross multiply
    78,505,999.14x = 117,776,561.96 × 23,922,856.56
  4. Step 4: Simplify right side
    78,505,999.14x = 2,817,551,797,899,032
  5. Step 5: Solve for x
    x = 2,817,551,797,899,032/78,505,999.14
  6. Step 6: Final answer
    x = 35,889,636.83

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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.