Home / 20,396,513,168.20-30,594,769,752.30-12,111,135,401.80

Finding the Fourth Proportional to 20,396,513,168.20, 30,594,769,752.30 and 12,111,135,401.80

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Solution

The fourth proportional to 20,396,513,168.20, 30,594,769,752.30 and 12,111,135,401.80 is: 18,166,703,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,513,168.20 : 30,594,769,752.30 = 12,111,135,401.80 : x
  2. Step 2: Convert to fraction form
    20,396,513,168.20/30,594,769,752.30 = 12,111,135,401.80/x
  3. Step 3: Cross multiply
    20,396,513,168.20x = 30,594,769,752.30 × 12,111,135,401.80
  4. Step 4: Simplify right side
    20,396,513,168.20x = 370,537,399,057,000,300,544
  5. Step 5: Solve for x
    x = 370,537,399,057,000,300,544/20,396,513,168.20
  6. Step 6: Final answer
    x = 18,166,703,102.70

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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.