Home / 49,164,080.60-73,775,645.40-20,407,217.60

Finding the Fourth Proportional to 49,164,080.60, 73,775,645.40 and 20,407,217.60

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Solution

The fourth proportional to 49,164,080.60, 73,775,645.40 and 20,407,217.60 is: 30,623,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,164,080.60 : 73,775,645.40 = 20,407,217.60 : x
  2. Step 2: Convert to fraction form
    49,164,080.60/73,775,645.40 = 20,407,217.60/x
  3. Step 3: Cross multiply
    49,164,080.60x = 73,775,645.40 × 20,407,217.60
  4. Step 4: Simplify right side
    49,164,080.60x = 1,505,555,649,258,239.25
  5. Step 5: Solve for x
    x = 1,505,555,649,258,239.25/49,164,080.60
  6. Step 6: Final answer
    x = 30,623,081.54

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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.