Home / 129,504,682.88-178,716,936.48-70,767,355.04

Finding the Fourth Proportional to 129,504,682.88, 178,716,936.48 and 70,767,355.04

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Solution

The fourth proportional to 129,504,682.88, 178,716,936.48 and 70,767,355.04 is: 97,659,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504,682.88 : 178,716,936.48 = 70,767,355.04 : x
  2. Step 2: Convert to fraction form
    129,504,682.88/178,716,936.48 = 70,767,355.04/x
  3. Step 3: Cross multiply
    129,504,682.88x = 178,716,936.48 × 70,767,355.04
  4. Step 4: Simplify right side
    129,504,682.88x = 12,647,324,895,541,288
  5. Step 5: Solve for x
    x = 12,647,324,895,541,288/129,504,682.88
  6. Step 6: Final answer
    x = 97,659,209.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.