Home / 323,796,732.96-485,729,123.76-105,464,076.48

Finding the Fourth Proportional to 323,796,732.96, 485,729,123.76 and 105,464,076.48

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Solution

The fourth proportional to 323,796,732.96, 485,729,123.76 and 105,464,076.48 is: 158,207,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,796,732.96 : 485,729,123.76 = 105,464,076.48 : x
  2. Step 2: Convert to fraction form
    323,796,732.96/485,729,123.76 = 105,464,076.48/x
  3. Step 3: Cross multiply
    323,796,732.96x = 485,729,123.76 × 105,464,076.48
  4. Step 4: Simplify right side
    323,796,732.96x = 51,226,973,456,788,024
  5. Step 5: Solve for x
    x = 51,226,973,456,788,024/323,796,732.96
  6. Step 6: Final answer
    x = 158,207,196.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.