Home / 107,815,983.87-161,740,696.78-45,567,560.23

Finding the Fourth Proportional to 107,815,983.87, 161,740,696.78 and 45,567,560.23

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Solution

The fourth proportional to 107,815,983.87, 161,740,696.78 and 45,567,560.23 is: 68,358,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815,983.87 : 161,740,696.78 = 45,567,560.23 : x
  2. Step 2: Convert to fraction form
    107,815,983.87/161,740,696.78 = 45,567,560.23/x
  3. Step 3: Cross multiply
    107,815,983.87x = 161,740,696.78 × 45,567,560.23
  4. Step 4: Simplify right side
    107,815,983.87x = 7,370,128,941,963,806
  5. Step 5: Solve for x
    x = 7,370,128,941,963,806/107,815,983.87
  6. Step 6: Final answer
    x = 68,358,407.33

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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.