Home / 299,530,112.64-413,392,618.08-172,368,177.72

Finding the Fourth Proportional to 299,530,112.64, 413,392,618.08 and 172,368,177.72

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Solution

The fourth proportional to 299,530,112.64, 413,392,618.08 and 172,368,177.72 is: 237,891,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,530,112.64 : 413,392,618.08 = 172,368,177.72 : x
  2. Step 2: Convert to fraction form
    299,530,112.64/413,392,618.08 = 172,368,177.72/x
  3. Step 3: Cross multiply
    299,530,112.64x = 413,392,618.08 × 172,368,177.72
  4. Step 4: Simplify right side
    299,530,112.64x = 71,255,732,261,349,520
  5. Step 5: Solve for x
    x = 71,255,732,261,349,520/299,530,112.64
  6. Step 6: Final answer
    x = 237,891,715.24

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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.