Home / 100,900,231.67-139,242,315.13-54,490,481.49

Finding the Fourth Proportional to 100,900,231.67, 139,242,315.13 and 54,490,481.49

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Solution

The fourth proportional to 100,900,231.67, 139,242,315.13 and 54,490,481.49 is: 75,196,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,231.67 : 139,242,315.13 = 54,490,481.49 : x
  2. Step 2: Convert to fraction form
    100,900,231.67/139,242,315.13 = 54,490,481.49/x
  3. Step 3: Cross multiply
    100,900,231.67x = 139,242,315.13 × 54,490,481.49
  4. Step 4: Simplify right side
    100,900,231.67x = 7,587,380,795,601,944
  5. Step 5: Solve for x
    x = 7,587,380,795,601,944/100,900,231.67
  6. Step 6: Final answer
    x = 75,196,861.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.