Home / 216,785,951.28-325,126,860.39-100,089,184.83

Finding the Fourth Proportional to 216,785,951.28, 325,126,860.39 and 100,089,184.83

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Solution

The fourth proportional to 216,785,951.28, 325,126,860.39 and 100,089,184.83 is: 150,109,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,785,951.28 : 325,126,860.39 = 100,089,184.83 : x
  2. Step 2: Convert to fraction form
    216,785,951.28/325,126,860.39 = 100,089,184.83/x
  3. Step 3: Cross multiply
    216,785,951.28x = 325,126,860.39 × 100,089,184.83
  4. Step 4: Simplify right side
    216,785,951.28x = 32,541,682,422,772,312
  5. Step 5: Solve for x
    x = 32,541,682,422,772,312/216,785,951.28
  6. Step 6: Final answer
    x = 150,109,738.34

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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.