Home / 92,568,031.20-127,756,904.94-57,297,157.38

Finding the Fourth Proportional to 92,568,031.20, 127,756,904.94 and 57,297,157.38

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Solution

The fourth proportional to 92,568,031.20, 127,756,904.94 and 57,297,157.38 is: 79,078,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,568,031.20 : 127,756,904.94 = 57,297,157.38 : x
  2. Step 2: Convert to fraction form
    92,568,031.20/127,756,904.94 = 57,297,157.38/x
  3. Step 3: Cross multiply
    92,568,031.20x = 127,756,904.94 × 57,297,157.38
  4. Step 4: Simplify right side
    92,568,031.20x = 7,320,107,488,728,880
  5. Step 5: Solve for x
    x = 7,320,107,488,728,880/92,568,031.20
  6. Step 6: Final answer
    x = 79,078,137.39

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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.