Home / 220,131,919.35-330,237,737.10-110,681,645.40

Finding the Fourth Proportional to 220,131,919.35, 330,237,737.10 and 110,681,645.40

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Solution

The fourth proportional to 220,131,919.35, 330,237,737.10 and 110,681,645.40 is: 166,042,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,131,919.35 : 330,237,737.10 = 110,681,645.40 : x
  2. Step 2: Convert to fraction form
    220,131,919.35/330,237,737.10 = 110,681,645.40/x
  3. Step 3: Cross multiply
    220,131,919.35x = 330,237,737.10 × 110,681,645.40
  4. Step 4: Simplify right side
    220,131,919.35x = 36,551,256,115,400,632
  5. Step 5: Solve for x
    x = 36,551,256,115,400,632/220,131,919.35
  6. Step 6: Final answer
    x = 166,042,508.62

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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.