Home / 206,326,178.16-285,138,651.24-169,097,739.66

Finding the Fourth Proportional to 206,326,178.16, 285,138,651.24 and 169,097,739.66

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Solution

The fourth proportional to 206,326,178.16, 285,138,651.24 and 169,097,739.66 is: 233,689,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,326,178.16 : 285,138,651.24 = 169,097,739.66 : x
  2. Step 2: Convert to fraction form
    206,326,178.16/285,138,651.24 = 169,097,739.66/x
  3. Step 3: Cross multiply
    206,326,178.16x = 285,138,651.24 × 169,097,739.66
  4. Step 4: Simplify right side
    206,326,178.16x = 48,216,301,414,385,056
  5. Step 5: Solve for x
    x = 48,216,301,414,385,056/206,326,178.16
  6. Step 6: Final answer
    x = 233,689,693.88

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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.