Home / 154,809,658.31-231,942,081.83-145,593,290.39

Finding the Fourth Proportional to 154,809,658.31, 231,942,081.83 and 145,593,290.39

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Solution

The fourth proportional to 154,809,658.31, 231,942,081.83 and 145,593,290.39 is: 218,133,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809,658.31 : 231,942,081.83 = 145,593,290.39 : x
  2. Step 2: Convert to fraction form
    154,809,658.31/231,942,081.83 = 145,593,290.39/x
  3. Step 3: Cross multiply
    154,809,658.31x = 231,942,081.83 × 145,593,290.39
  4. Step 4: Simplify right side
    154,809,658.31x = 33,769,210,871,648,652
  5. Step 5: Solve for x
    x = 33,769,210,871,648,652/154,809,658.31
  6. Step 6: Final answer
    x = 218,133,747.22

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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.