Home / 128,865,991.67-193,317,145.68-41,398,179.33

Finding the Fourth Proportional to 128,865,991.67, 193,317,145.68 and 41,398,179.33

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Solution

The fourth proportional to 128,865,991.67, 193,317,145.68 and 41,398,179.33 is: 62,103,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,865,991.67 : 193,317,145.68 = 41,398,179.33 : x
  2. Step 2: Convert to fraction form
    128,865,991.67/193,317,145.68 = 41,398,179.33/x
  3. Step 3: Cross multiply
    128,865,991.67x = 193,317,145.68 × 41,398,179.33
  4. Step 4: Simplify right side
    128,865,991.67x = 8,002,977,865,071,900
  5. Step 5: Solve for x
    x = 8,002,977,865,071,900/128,865,991.67
  6. Step 6: Final answer
    x = 62,103,102.31

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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.