Home / 371,345,112.74-512,468,541.95-204,087,302.55

Finding the Fourth Proportional to 371,345,112.74, 512,468,541.95 and 204,087,302.55

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Solution

The fourth proportional to 371,345,112.74, 512,468,541.95 and 204,087,302.55 is: 281,647,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,345,112.74 : 512,468,541.95 = 204,087,302.55 : x
  2. Step 2: Convert to fraction form
    371,345,112.74/512,468,541.95 = 204,087,302.55/x
  3. Step 3: Cross multiply
    371,345,112.74x = 512,468,541.95 × 204,087,302.55
  4. Step 4: Simplify right side
    371,345,112.74x = 104,588,322,367,286,592
  5. Step 5: Solve for x
    x = 104,588,322,367,286,592/371,345,112.74
  6. Step 6: Final answer
    x = 281,647,229.97

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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.