Home / 100,415,847.47-150,555,007.95-51,136,309.61

Finding the Fourth Proportional to 100,415,847.47, 150,555,007.95 and 51,136,309.61

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Solution

The fourth proportional to 100,415,847.47, 150,555,007.95 and 51,136,309.61 is: 76,669,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,847.47 : 150,555,007.95 = 51,136,309.61 : x
  2. Step 2: Convert to fraction form
    100,415,847.47/150,555,007.95 = 51,136,309.61/x
  3. Step 3: Cross multiply
    100,415,847.47x = 150,555,007.95 × 51,136,309.61
  4. Step 4: Simplify right side
    100,415,847.47x = 7,698,827,499,487,256
  5. Step 5: Solve for x
    x = 7,698,827,499,487,256/100,415,847.47
  6. Step 6: Final answer
    x = 76,669,447.04

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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.