Home / 154,112,532.82-231,133,424.77-91,881,455.92

Finding the Fourth Proportional to 154,112,532.82, 231,133,424.77 and 91,881,455.92

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Solution

The fourth proportional to 154,112,532.82, 231,133,424.77 and 91,881,455.92 is: 137,801,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112,532.82 : 231,133,424.77 = 91,881,455.92 : x
  2. Step 2: Convert to fraction form
    154,112,532.82/231,133,424.77 = 91,881,455.92/x
  3. Step 3: Cross multiply
    154,112,532.82x = 231,133,424.77 × 91,881,455.92
  4. Step 4: Simplify right side
    154,112,532.82x = 21,236,875,579,643,392
  5. Step 5: Solve for x
    x = 21,236,875,579,643,392/154,112,532.82
  6. Step 6: Final answer
    x = 137,801,093.73

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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.