Home / 206,505,163.10-284,993,784.92-118,407,357.47

Finding the Fourth Proportional to 206,505,163.10, 284,993,784.92 and 118,407,357.47

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Solution

The fourth proportional to 206,505,163.10, 284,993,784.92 and 118,407,357.47 is: 163,411,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,505,163.10 : 284,993,784.92 = 118,407,357.47 : x
  2. Step 2: Convert to fraction form
    206,505,163.10/284,993,784.92 = 118,407,357.47/x
  3. Step 3: Cross multiply
    206,505,163.10x = 284,993,784.92 × 118,407,357.47
  4. Step 4: Simplify right side
    206,505,163.10x = 33,745,360,967,750,736
  5. Step 5: Solve for x
    x = 33,745,360,967,750,736/206,505,163.10
  6. Step 6: Final answer
    x = 163,411,705.84

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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.