Home / 310,614,325.14-428,656,738.06-171,394,054.78

Finding the Fourth Proportional to 310,614,325.14, 428,656,738.06 and 171,394,054.78

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Solution

The fourth proportional to 310,614,325.14, 428,656,738.06 and 171,394,054.78 is: 236,528,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,614,325.14 : 428,656,738.06 = 171,394,054.78 : x
  2. Step 2: Convert to fraction form
    310,614,325.14/428,656,738.06 = 171,394,054.78/x
  3. Step 3: Cross multiply
    310,614,325.14x = 428,656,738.06 × 171,394,054.78
  4. Step 4: Simplify right side
    310,614,325.14x = 73,469,216,444,871,744
  5. Step 5: Solve for x
    x = 73,469,216,444,871,744/310,614,325.14
  6. Step 6: Final answer
    x = 236,528,744.81

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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.