Home / 250,479,822.78-345,650,444.54-138,969,476.84

Finding the Fourth Proportional to 250,479,822.78, 345,650,444.54 and 138,969,476.84

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Solution

The fourth proportional to 250,479,822.78, 345,650,444.54 and 138,969,476.84 is: 191,771,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479,822.78 : 345,650,444.54 = 138,969,476.84 : x
  2. Step 2: Convert to fraction form
    250,479,822.78/345,650,444.54 = 138,969,476.84/x
  3. Step 3: Cross multiply
    250,479,822.78x = 345,650,444.54 × 138,969,476.84
  4. Step 4: Simplify right side
    250,479,822.78x = 48,034,861,444,814,144
  5. Step 5: Solve for x
    x = 48,034,861,444,814,144/250,479,822.78
  6. Step 6: Final answer
    x = 191,771,380.67

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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.