Home / 381,444,256.69-572,251,678.03-139,107,160.69

Finding the Fourth Proportional to 381,444,256.69, 572,251,678.03 and 139,107,160.69

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Solution

The fourth proportional to 381,444,256.69, 572,251,678.03 and 139,107,160.69 is: 208,691,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,444,256.69 : 572,251,678.03 = 139,107,160.69 : x
  2. Step 2: Convert to fraction form
    381,444,256.69/572,251,678.03 = 139,107,160.69/x
  3. Step 3: Cross multiply
    381,444,256.69x = 572,251,678.03 × 139,107,160.69
  4. Step 4: Simplify right side
    381,444,256.69x = 79,604,306,129,584,608
  5. Step 5: Solve for x
    x = 79,604,306,129,584,608/381,444,256.69
  6. Step 6: Final answer
    x = 208,691,846.15

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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.