Home / 381,444,261.50-572,251,685.26-139,107,165.50

Finding the Fourth Proportional to 381,444,261.50, 572,251,685.26 and 139,107,165.50

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Solution

The fourth proportional to 381,444,261.50, 572,251,685.26 and 139,107,165.50 is: 208,691,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,444,261.50 : 572,251,685.26 = 139,107,165.50 : x
  2. Step 2: Convert to fraction form
    381,444,261.50/572,251,685.26 = 139,107,165.50/x
  3. Step 3: Cross multiply
    381,444,261.50x = 572,251,685.26 × 139,107,165.50
  4. Step 4: Simplify right side
    381,444,261.50x = 79,604,309,889,116,736
  5. Step 5: Solve for x
    x = 79,604,309,889,116,736/381,444,261.50
  6. Step 6: Final answer
    x = 208,691,853.37

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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.