Home / 319,687,441.36-441,168,663.72-173,009,725.36

Finding the Fourth Proportional to 319,687,441.36, 441,168,663.72 and 173,009,725.36

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Solution

The fourth proportional to 319,687,441.36, 441,168,663.72 and 173,009,725.36 is: 238,753,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,687,441.36 : 441,168,663.72 = 173,009,725.36 : x
  2. Step 2: Convert to fraction form
    319,687,441.36/441,168,663.72 = 173,009,725.36/x
  3. Step 3: Cross multiply
    319,687,441.36x = 441,168,663.72 × 173,009,725.36
  4. Step 4: Simplify right side
    319,687,441.36x = 76,326,469,347,635,408
  5. Step 5: Solve for x
    x = 76,326,469,347,635,408/319,687,441.36
  6. Step 6: Final answer
    x = 238,753,418.10

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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.