Home / 381,444,256.88-572,251,678.32-139,107,160.88

Finding the Fourth Proportional to 381,444,256.88, 572,251,678.32 and 139,107,160.88

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Solution

The fourth proportional to 381,444,256.88, 572,251,678.32 and 139,107,160.88 is: 208,691,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,444,256.88 : 572,251,678.32 = 139,107,160.88 : x
  2. Step 2: Convert to fraction form
    381,444,256.88/572,251,678.32 = 139,107,160.88/x
  3. Step 3: Cross multiply
    381,444,256.88x = 572,251,678.32 × 139,107,160.88
  4. Step 4: Simplify right side
    381,444,256.88x = 79,604,306,277,048,992
  5. Step 5: Solve for x
    x = 79,604,306,277,048,992/381,444,256.88
  6. Step 6: Final answer
    x = 208,691,846.43

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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.