Home / 367,428,231.20-551,142,346.80-149,183,127.20

Finding the Fourth Proportional to 367,428,231.20, 551,142,346.80 and 149,183,127.20

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Solution

The fourth proportional to 367,428,231.20, 551,142,346.80 and 149,183,127.20 is: 223,774,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,428,231.20 : 551,142,346.80 = 149,183,127.20 : x
  2. Step 2: Convert to fraction form
    367,428,231.20/551,142,346.80 = 149,183,127.20/x
  3. Step 3: Cross multiply
    367,428,231.20x = 551,142,346.80 × 149,183,127.20
  4. Step 4: Simplify right side
    367,428,231.20x = 82,221,138,827,970,896
  5. Step 5: Solve for x
    x = 82,221,138,827,970,896/367,428,231.20
  6. Step 6: Final answer
    x = 223,774,690.80

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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.