Home / 206,721,203.92-285,185,629.92-123,042,410.80

Finding the Fourth Proportional to 206,721,203.92, 285,185,629.92 and 123,042,410.80

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Solution

The fourth proportional to 206,721,203.92, 285,185,629.92 and 123,042,410.80 is: 169,745,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,721,203.92 : 285,185,629.92 = 123,042,410.80 : x
  2. Step 2: Convert to fraction form
    206,721,203.92/285,185,629.92 = 123,042,410.80/x
  3. Step 3: Cross multiply
    206,721,203.92x = 285,185,629.92 × 123,042,410.80
  4. Step 4: Simplify right side
    206,721,203.92x = 35,089,927,430,873,412
  5. Step 5: Solve for x
    x = 35,089,927,430,873,412/206,721,203.92
  6. Step 6: Final answer
    x = 169,745,177.40

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1.5x scale

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.