Home / 168,997,839.80-253,496,759.70-130,734,087.80

Finding the Fourth Proportional to 168,997,839.80, 253,496,759.70 and 130,734,087.80

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Solution

The fourth proportional to 168,997,839.80, 253,496,759.70 and 130,734,087.80 is: 196,101,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,997,839.80 : 253,496,759.70 = 130,734,087.80 : x
  2. Step 2: Convert to fraction form
    168,997,839.80/253,496,759.70 = 130,734,087.80/x
  3. Step 3: Cross multiply
    168,997,839.80x = 253,496,759.70 × 130,734,087.80
  4. Step 4: Simplify right side
    168,997,839.80x = 33,140,667,639,635,300
  5. Step 5: Solve for x
    x = 33,140,667,639,635,300/168,997,839.80
  6. Step 6: Final answer
    x = 196,101,131.70

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1.5x scale

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.