Home / 394,608,142.80-591,660,271.80-164,668,712.40

Finding the Fourth Proportional to 394,608,142.80, 591,660,271.80 and 164,668,712.40

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Solution

The fourth proportional to 394,608,142.80, 591,660,271.80 and 164,668,712.40 is: 246,897,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,608,142.80 : 591,660,271.80 = 164,668,712.40 : x
  2. Step 2: Convert to fraction form
    394,608,142.80/591,660,271.80 = 164,668,712.40/x
  3. Step 3: Cross multiply
    394,608,142.80x = 591,660,271.80 × 164,668,712.40
  4. Step 4: Simplify right side
    394,608,142.80x = 97,427,935,135,540,032
  5. Step 5: Solve for x
    x = 97,427,935,135,540,032/394,608,142.80
  6. Step 6: Final answer
    x = 246,897,933.84

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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.