Home / 107,760,320.80-161,640,481.20-31,085,850.40

Finding the Fourth Proportional to 107,760,320.80, 161,640,481.20 and 31,085,850.40

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Solution

The fourth proportional to 107,760,320.80, 161,640,481.20 and 31,085,850.40 is: 46,628,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760,320.80 : 161,640,481.20 = 31,085,850.40 : x
  2. Step 2: Convert to fraction form
    107,760,320.80/161,640,481.20 = 31,085,850.40/x
  3. Step 3: Cross multiply
    107,760,320.80x = 161,640,481.20 × 31,085,850.40
  4. Step 4: Simplify right side
    107,760,320.80x = 5,024,731,817,167,212
  5. Step 5: Solve for x
    x = 5,024,731,817,167,212/107,760,320.80
  6. Step 6: Final answer
    x = 46,628,775.60

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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.