Home / 136,911,380.76-205,312,982.04-43,504,759.80

Finding the Fourth Proportional to 136,911,380.76, 205,312,982.04 and 43,504,759.80

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Solution

The fourth proportional to 136,911,380.76, 205,312,982.04 and 43,504,759.80 is: 65,239,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,911,380.76 : 205,312,982.04 = 43,504,759.80 : x
  2. Step 2: Convert to fraction form
    136,911,380.76/205,312,982.04 = 43,504,759.80/x
  3. Step 3: Cross multiply
    136,911,380.76x = 205,312,982.04 × 43,504,759.80
  4. Step 4: Simplify right side
    136,911,380.76x = 8,932,091,967,471,913
  5. Step 5: Solve for x
    x = 8,932,091,967,471,913/136,911,380.76
  6. Step 6: Final answer
    x = 65,239,952.43

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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.