Home / 251,895,399.84-347,601,596.64-138,861,244.80

Finding the Fourth Proportional to 251,895,399.84, 347,601,596.64 and 138,861,244.80

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Solution

The fourth proportional to 251,895,399.84, 347,601,596.64 and 138,861,244.80 is: 191,620,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,895,399.84 : 347,601,596.64 = 138,861,244.80 : x
  2. Step 2: Convert to fraction form
    251,895,399.84/347,601,596.64 = 138,861,244.80/x
  3. Step 3: Cross multiply
    251,895,399.84x = 347,601,596.64 × 138,861,244.80
  4. Step 4: Simplify right side
    251,895,399.84x = 48,268,390,403,897,896
  5. Step 5: Solve for x
    x = 48,268,390,403,897,896/251,895,399.84
  6. Step 6: Final answer
    x = 191,620,769.71

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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.