Home / 126,184,028.20-189,276,042.30-80,834,396.20

Finding the Fourth Proportional to 126,184,028.20, 189,276,042.30 and 80,834,396.20

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Solution

The fourth proportional to 126,184,028.20, 189,276,042.30 and 80,834,396.20 is: 121,251,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184,028.20 : 189,276,042.30 = 80,834,396.20 : x
  2. Step 2: Convert to fraction form
    126,184,028.20/189,276,042.30 = 80,834,396.20/x
  3. Step 3: Cross multiply
    126,184,028.20x = 189,276,042.30 × 80,834,396.20
  4. Step 4: Simplify right side
    126,184,028.20x = 15,300,014,594,446,160
  5. Step 5: Solve for x
    x = 15,300,014,594,446,160/126,184,028.20
  6. Step 6: Final answer
    x = 121,251,594.30

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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.