Home / 121,489,583.96-182,242,456.73-42,696,561.66

Finding the Fourth Proportional to 121,489,583.96, 182,242,456.73 and 42,696,561.66

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Solution

The fourth proportional to 121,489,583.96, 182,242,456.73 and 42,696,561.66 is: 64,047,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,489,583.96 : 182,242,456.73 = 42,696,561.66 : x
  2. Step 2: Convert to fraction form
    121,489,583.96/182,242,456.73 = 42,696,561.66/x
  3. Step 3: Cross multiply
    121,489,583.96x = 182,242,456.73 × 42,696,561.66
  4. Step 4: Simplify right side
    121,489,583.96x = 7,781,126,290,949,067
  5. Step 5: Solve for x
    x = 7,781,126,290,949,067/121,489,583.96
  6. Step 6: Final answer
    x = 64,047,682.42

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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.