Home / 319,687,403.92-441,168,612.06-173,009,687.92

Finding the Fourth Proportional to 319,687,403.92, 441,168,612.06 and 173,009,687.92

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Solution

The fourth proportional to 319,687,403.92, 441,168,612.06 and 173,009,687.92 is: 238,753,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,687,403.92 : 441,168,612.06 = 173,009,687.92 : x
  2. Step 2: Convert to fraction form
    319,687,403.92/441,168,612.06 = 173,009,687.92/x
  3. Step 3: Cross multiply
    319,687,403.92x = 441,168,612.06 × 173,009,687.92
  4. Step 4: Simplify right side
    319,687,403.92x = 76,326,443,892,600,144
  5. Step 5: Solve for x
    x = 76,326,443,892,600,144/319,687,403.92
  6. Step 6: Final answer
    x = 238,753,366.43

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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.