Home / 150,794,366.77-208,113,076.47-91,288,449.82

Finding the Fourth Proportional to 150,794,366.77, 208,113,076.47 and 91,288,449.82

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Solution

The fourth proportional to 150,794,366.77, 208,113,076.47 and 91,288,449.82 is: 125,988,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,366.77 : 208,113,076.47 = 91,288,449.82 : x
  2. Step 2: Convert to fraction form
    150,794,366.77/208,113,076.47 = 91,288,449.82/x
  3. Step 3: Cross multiply
    150,794,366.77x = 208,113,076.47 × 91,288,449.82
  4. Step 4: Simplify right side
    150,794,366.77x = 18,998,320,138,217,416
  5. Step 5: Solve for x
    x = 18,998,320,138,217,416/150,794,366.77
  6. Step 6: Final answer
    x = 125,988,261.66

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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.