Home / 166,403,091.23-229,627,863.45-91,047,788.18

Finding the Fourth Proportional to 166,403,091.23, 229,627,863.45 and 91,047,788.18

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Solution

The fourth proportional to 166,403,091.23, 229,627,863.45 and 91,047,788.18 is: 125,641,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,403,091.23 : 229,627,863.45 = 91,047,788.18 : x
  2. Step 2: Convert to fraction form
    166,403,091.23/229,627,863.45 = 91,047,788.18/x
  3. Step 3: Cross multiply
    166,403,091.23x = 229,627,863.45 × 91,047,788.18
  4. Step 4: Simplify right side
    166,403,091.23x = 20,907,109,070,473,424
  5. Step 5: Solve for x
    x = 20,907,109,070,473,424/166,403,091.23
  6. Step 6: Final answer
    x = 125,641,350.27

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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.