Home / 228,568,916.83-315,419,740.10-134,489,157.42

Finding the Fourth Proportional to 228,568,916.83, 315,419,740.10 and 134,489,157.42

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Solution

The fourth proportional to 228,568,916.83, 315,419,740.10 and 134,489,157.42 is: 185,591,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,568,916.83 : 315,419,740.10 = 134,489,157.42 : x
  2. Step 2: Convert to fraction form
    228,568,916.83/315,419,740.10 = 134,489,157.42/x
  3. Step 3: Cross multiply
    228,568,916.83x = 315,419,740.10 × 134,489,157.42
  4. Step 4: Simplify right side
    228,568,916.83x = 42,420,535,077,771,064
  5. Step 5: Solve for x
    x = 42,420,535,077,771,064/228,568,916.83
  6. Step 6: Final answer
    x = 185,591,880.41

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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.