Home / 199,487,007.60-299,419,468.20-122,959,503.60

Finding the Fourth Proportional to 199,487,007.60, 299,419,468.20 and 122,959,503.60

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Solution

The fourth proportional to 199,487,007.60, 299,419,468.20 and 122,959,503.60 is: 184,555,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,487,007.60 : 299,419,468.20 = 122,959,503.60 : x
  2. Step 2: Convert to fraction form
    199,487,007.60/299,419,468.20 = 122,959,503.60/x
  3. Step 3: Cross multiply
    199,487,007.60x = 299,419,468.20 × 122,959,503.60
  4. Step 4: Simplify right side
    199,487,007.60x = 36,816,469,178,047,984
  5. Step 5: Solve for x
    x = 36,816,469,178,047,984/199,487,007.60
  6. Step 6: Final answer
    x = 184,555,724.31

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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.