Home / 161,793,659.83-223,297,127.82-91,243,778.36

Finding the Fourth Proportional to 161,793,659.83, 223,297,127.82 and 91,243,778.36

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Solution

The fourth proportional to 161,793,659.83, 223,297,127.82 and 91,243,778.36 is: 125,928,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,793,659.83 : 223,297,127.82 = 91,243,778.36 : x
  2. Step 2: Convert to fraction form
    161,793,659.83/223,297,127.82 = 91,243,778.36/x
  3. Step 3: Cross multiply
    161,793,659.83x = 223,297,127.82 × 91,243,778.36
  4. Step 4: Simplify right side
    161,793,659.83x = 20,374,473,639,751,656
  5. Step 5: Solve for x
    x = 20,374,473,639,751,656/161,793,659.83
  6. Step 6: Final answer
    x = 125,928,751.85

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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.