Home / 207,153,750.96-285,979,781.34-151,336,502.73

Finding the Fourth Proportional to 207,153,750.96, 285,979,781.34 and 151,336,502.73

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Solution

The fourth proportional to 207,153,750.96, 285,979,781.34 and 151,336,502.73 is: 208,922,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,153,750.96 : 285,979,781.34 = 151,336,502.73 : x
  2. Step 2: Convert to fraction form
    207,153,750.96/285,979,781.34 = 151,336,502.73/x
  3. Step 3: Cross multiply
    207,153,750.96x = 285,979,781.34 × 151,336,502.73
  4. Step 4: Simplify right side
    207,153,750.96x = 43,279,179,959,485,704
  5. Step 5: Solve for x
    x = 43,279,179,959,485,704/207,153,750.96
  6. Step 6: Final answer
    x = 208,922,984.78

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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.