Home / 107,840,193.60-161,760,290.40-82,331,025.60

Finding the Fourth Proportional to 107,840,193.60, 161,760,290.40 and 82,331,025.60

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Solution

The fourth proportional to 107,840,193.60, 161,760,290.40 and 82,331,025.60 is: 123,496,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840,193.60 : 161,760,290.40 = 82,331,025.60 : x
  2. Step 2: Convert to fraction form
    107,840,193.60/161,760,290.40 = 82,331,025.60/x
  3. Step 3: Cross multiply
    107,840,193.60x = 161,760,290.40 × 82,331,025.60
  4. Step 4: Simplify right side
    107,840,193.60x = 13,317,890,609,985,834
  5. Step 5: Solve for x
    x = 13,317,890,609,985,834/107,840,193.60
  6. Step 6: Final answer
    x = 123,496,538.40

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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.