Home / 395,876,241.72-593,795,048.54-146,929,938.57

Finding the Fourth Proportional to 395,876,241.72, 593,795,048.54 and 146,929,938.57

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Solution

The fourth proportional to 395,876,241.72, 593,795,048.54 and 146,929,938.57 is: 220,387,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,876,241.72 : 593,795,048.54 = 146,929,938.57 : x
  2. Step 2: Convert to fraction form
    395,876,241.72/593,795,048.54 = 146,929,938.57/x
  3. Step 3: Cross multiply
    395,876,241.72x = 593,795,048.54 × 146,929,938.57
  4. Step 4: Simplify right side
    395,876,241.72x = 87,246,270,004,417,712
  5. Step 5: Solve for x
    x = 87,246,270,004,417,712/395,876,241.72
  6. Step 6: Final answer
    x = 220,387,739.42

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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.