Home / 285,331,312.52-393,757,268.36-173,822,147.48

Finding the Fourth Proportional to 285,331,312.52, 393,757,268.36 and 173,822,147.48

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Solution

The fourth proportional to 285,331,312.52, 393,757,268.36 and 173,822,147.48 is: 239,874,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,331,312.52 : 393,757,268.36 = 173,822,147.48 : x
  2. Step 2: Convert to fraction form
    285,331,312.52/393,757,268.36 = 173,822,147.48/x
  3. Step 3: Cross multiply
    285,331,312.52x = 393,757,268.36 × 173,822,147.48
  4. Step 4: Simplify right side
    285,331,312.52x = 68,443,733,972,193,856
  5. Step 5: Solve for x
    x = 68,443,733,972,193,856/285,331,312.52
  6. Step 6: Final answer
    x = 239,874,598.30

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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.