Home / 445,107,199.30-667,189,570.80-149,721,118.36

Finding the Fourth Proportional to 445,107,199.30, 667,189,570.80 and 149,721,118.36

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Solution

The fourth proportional to 445,107,199.30, 667,189,570.80 and 149,721,118.36 is: 224,423,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,107,199.30 : 667,189,570.80 = 149,721,118.36 : x
  2. Step 2: Convert to fraction form
    445,107,199.30/667,189,570.80 = 149,721,118.36/x
  3. Step 3: Cross multiply
    445,107,199.30x = 667,189,570.80 × 149,721,118.36
  4. Step 4: Simplify right side
    445,107,199.30x = 99,892,368,698,304,400
  5. Step 5: Solve for x
    x = 99,892,368,698,304,400/445,107,199.30
  6. Step 6: Final answer
    x = 224,423,170.09

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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.