Home / 20,187,422,540.80-30,281,133,811.20-13,575,446,195.20

Finding the Fourth Proportional to 20,187,422,540.80, 30,281,133,811.20 and 13,575,446,195.20

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Solution

The fourth proportional to 20,187,422,540.80, 30,281,133,811.20 and 13,575,446,195.20 is: 20,363,169,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,422,540.80 : 30,281,133,811.20 = 13,575,446,195.20 : x
  2. Step 2: Convert to fraction form
    20,187,422,540.80/30,281,133,811.20 = 13,575,446,195.20/x
  3. Step 3: Cross multiply
    20,187,422,540.80x = 30,281,133,811.20 × 13,575,446,195.20
  4. Step 4: Simplify right side
    20,187,422,540.80x = 411,079,902,783,597,117,440
  5. Step 5: Solve for x
    x = 411,079,902,783,597,117,440/20,187,422,540.80
  6. Step 6: Final answer
    x = 20,363,169,292.80

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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.