Home / 285,222,158.28-393,930,747.54-192,242,395.08

Finding the Fourth Proportional to 285,222,158.28, 393,930,747.54 and 192,242,395.08

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Solution

The fourth proportional to 285,222,158.28, 393,930,747.54 and 192,242,395.08 is: 265,512,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,222,158.28 : 393,930,747.54 = 192,242,395.08 : x
  2. Step 2: Convert to fraction form
    285,222,158.28/393,930,747.54 = 192,242,395.08/x
  3. Step 3: Cross multiply
    285,222,158.28x = 393,930,747.54 × 192,242,395.08
  4. Step 4: Simplify right side
    285,222,158.28x = 75,730,190,402,744,432
  5. Step 5: Solve for x
    x = 75,730,190,402,744,432/285,222,158.28
  6. Step 6: Final answer
    x = 265,512,998.22

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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.