Home / 220,151,749.80-330,227,624.70-90,692,722.20

Finding the Fourth Proportional to 220,151,749.80, 330,227,624.70 and 90,692,722.20

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Solution

The fourth proportional to 220,151,749.80, 330,227,624.70 and 90,692,722.20 is: 136,039,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,151,749.80 : 330,227,624.70 = 90,692,722.20 : x
  2. Step 2: Convert to fraction form
    220,151,749.80/330,227,624.70 = 90,692,722.20/x
  3. Step 3: Cross multiply
    220,151,749.80x = 330,227,624.70 × 90,692,722.20
  4. Step 4: Simplify right side
    220,151,749.80x = 29,949,242,229,682,960
  5. Step 5: Solve for x
    x = 29,949,242,229,682,960/220,151,749.80
  6. Step 6: Final answer
    x = 136,039,083.30

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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.