Home / 78,026,052.96-116,954,602.11-50,751,836.64

Finding the Fourth Proportional to 78,026,052.96, 116,954,602.11 and 50,751,836.64

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Solution

The fourth proportional to 78,026,052.96, 116,954,602.11 and 50,751,836.64 is: 76,072,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,026,052.96 : 116,954,602.11 = 50,751,836.64 : x
  2. Step 2: Convert to fraction form
    78,026,052.96/116,954,602.11 = 50,751,836.64/x
  3. Step 3: Cross multiply
    78,026,052.96x = 116,954,602.11 × 50,751,836.64
  4. Step 4: Simplify right side
    78,026,052.96x = 5,935,660,860,582,919
  5. Step 5: Solve for x
    x = 5,935,660,860,582,919/78,026,052.96
  6. Step 6: Final answer
    x = 76,072,806.91

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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.