Home / 135,114,849.64-186,453,956.82-80,078,032.36

Finding the Fourth Proportional to 135,114,849.64, 186,453,956.82 and 80,078,032.36

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Solution

The fourth proportional to 135,114,849.64, 186,453,956.82 and 80,078,032.36 is: 110,504,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,114,849.64 : 186,453,956.82 = 80,078,032.36 : x
  2. Step 2: Convert to fraction form
    135,114,849.64/186,453,956.82 = 80,078,032.36/x
  3. Step 3: Cross multiply
    135,114,849.64x = 186,453,956.82 × 80,078,032.36
  4. Step 4: Simplify right side
    135,114,849.64x = 14,930,865,987,882,002
  5. Step 5: Solve for x
    x = 14,930,865,987,882,002/135,114,849.64
  6. Step 6: Final answer
    x = 110,504,996.51

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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.