Home / 381,444,255-572,251,675.50-139,107,159

Finding the Fourth Proportional to 381,444,255, 572,251,675.50 and 139,107,159

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Solution

The fourth proportional to 381,444,255, 572,251,675.50 and 139,107,159 is: 208,691,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,444,255 : 572,251,675.50 = 139,107,159 : x
  2. Step 2: Convert to fraction form
    381,444,255/572,251,675.50 = 139,107,159/x
  3. Step 3: Cross multiply
    381,444,255x = 572,251,675.50 × 139,107,159
  4. Step 4: Simplify right side
    381,444,255x = 79,604,304,811,794,912
  5. Step 5: Solve for x
    x = 79,604,304,811,794,912/381,444,255
  6. Step 6: Final answer
    x = 208,691,843.61

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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.