Home / 99,651,736.20-149,365,629.90-51,110,833.80

Finding the Fourth Proportional to 99,651,736.20, 149,365,629.90 and 51,110,833.80

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Solution

The fourth proportional to 99,651,736.20, 149,365,629.90 and 51,110,833.80 is: 76,608,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,736.20 : 149,365,629.90 = 51,110,833.80 : x
  2. Step 2: Convert to fraction form
    99,651,736.20/149,365,629.90 = 51,110,833.80/x
  3. Step 3: Cross multiply
    99,651,736.20x = 149,365,629.90 × 51,110,833.80
  4. Step 4: Simplify right side
    99,651,736.20x = 7,634,201,885,251,210
  5. Step 5: Solve for x
    x = 7,634,201,885,251,210/99,651,736.20
  6. Step 6: Final answer
    x = 76,608,819.64

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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.