Home / 83,820,381.60-125,874,039.60-45,556,629.60

Finding the Fourth Proportional to 83,820,381.60, 125,874,039.60 and 45,556,629.60

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Solution

The fourth proportional to 83,820,381.60, 125,874,039.60 and 45,556,629.60 is: 68,412,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820,381.60 : 125,874,039.60 = 45,556,629.60 : x
  2. Step 2: Convert to fraction form
    83,820,381.60/125,874,039.60 = 45,556,629.60/x
  3. Step 3: Cross multiply
    83,820,381.60x = 125,874,039.60 × 45,556,629.60
  4. Step 4: Simplify right side
    83,820,381.60x = 5,734,396,998,312,932
  5. Step 5: Solve for x
    x = 5,734,396,998,312,932/83,820,381.60
  6. Step 6: Final answer
    x = 68,412,919.25

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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.