Home / 79,964,463.77-119,946,695.45-19,380,189.77

Finding the Fourth Proportional to 79,964,463.77, 119,946,695.45 and 19,380,189.77

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Solution

The fourth proportional to 79,964,463.77, 119,946,695.45 and 19,380,189.77 is: 29,070,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964,463.77 : 119,946,695.45 = 19,380,189.77 : x
  2. Step 2: Convert to fraction form
    79,964,463.77/119,946,695.45 = 19,380,189.77/x
  3. Step 3: Cross multiply
    79,964,463.77x = 119,946,695.45 × 19,380,189.77
  4. Step 4: Simplify right side
    79,964,463.77x = 2,324,589,719,408,761
  5. Step 5: Solve for x
    x = 2,324,589,719,408,761/79,964,463.77
  6. Step 6: Final answer
    x = 29,070,284.60

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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.