Home / 52,946,080.80-79,419,121.20-18,905,863.20

Finding the Fourth Proportional to 52,946,080.80, 79,419,121.20 and 18,905,863.20

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Solution

The fourth proportional to 52,946,080.80, 79,419,121.20 and 18,905,863.20 is: 28,358,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,946,080.80 : 79,419,121.20 = 18,905,863.20 : x
  2. Step 2: Convert to fraction form
    52,946,080.80/79,419,121.20 = 18,905,863.20/x
  3. Step 3: Cross multiply
    52,946,080.80x = 79,419,121.20 × 18,905,863.20
  4. Step 4: Simplify right side
    52,946,080.80x = 1,501,487,040,871,419.75
  5. Step 5: Solve for x
    x = 1,501,487,040,871,419.75/52,946,080.80
  6. Step 6: Final answer
    x = 28,358,794.80

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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.