Home / 206,816,403.72-285,406,637.46-113,998,904.46

Finding the Fourth Proportional to 206,816,403.72, 285,406,637.46 and 113,998,904.46

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Solution

The fourth proportional to 206,816,403.72, 285,406,637.46 and 113,998,904.46 is: 157,318,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,816,403.72 : 285,406,637.46 = 113,998,904.46 : x
  2. Step 2: Convert to fraction form
    206,816,403.72/285,406,637.46 = 113,998,904.46/x
  3. Step 3: Cross multiply
    206,816,403.72x = 285,406,637.46 × 113,998,904.46
  4. Step 4: Simplify right side
    206,816,403.72x = 32,536,043,996,052,392
  5. Step 5: Solve for x
    x = 32,536,043,996,052,392/206,816,403.72
  6. Step 6: Final answer
    x = 157,318,488.33

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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.