Home / 206,143,600-308,542,445.52-151,541,733.28

Finding the Fourth Proportional to 206,143,600, 308,542,445.52 and 151,541,733.28

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Solution

The fourth proportional to 206,143,600, 308,542,445.52 and 151,541,733.28 is: 226,817,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,143,600 : 308,542,445.52 = 151,541,733.28 : x
  2. Step 2: Convert to fraction form
    206,143,600/308,542,445.52 = 151,541,733.28/x
  3. Step 3: Cross multiply
    206,143,600x = 308,542,445.52 × 151,541,733.28
  4. Step 4: Simplify right side
    206,143,600x = 46,757,056,984,550,768
  5. Step 5: Solve for x
    x = 46,757,056,984,550,768/206,143,600
  6. Step 6: Final answer
    x = 226,817,892.89

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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.