Home / 150,794,357.94-208,113,064.20-91,288,440.92

Finding the Fourth Proportional to 150,794,357.94, 208,113,064.20 and 91,288,440.92

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Solution

The fourth proportional to 150,794,357.94, 208,113,064.20 and 91,288,440.92 is: 125,988,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,357.94 : 208,113,064.20 = 91,288,440.92 : x
  2. Step 2: Convert to fraction form
    150,794,357.94/208,113,064.20 = 91,288,440.92/x
  3. Step 3: Cross multiply
    150,794,357.94x = 208,113,064.20 × 91,288,440.92
  4. Step 4: Simplify right side
    150,794,357.94x = 18,998,317,166,422,148
  5. Step 5: Solve for x
    x = 18,998,317,166,422,148/150,794,357.94
  6. Step 6: Final answer
    x = 125,988,249.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.