Home / 328,853,553.95-493,390,456.91-107,535,100.16

Finding the Fourth Proportional to 328,853,553.95, 493,390,456.91 and 107,535,100.16

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Solution

The fourth proportional to 328,853,553.95, 493,390,456.91 and 107,535,100.16 is: 161,338,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,853,553.95 : 493,390,456.91 = 107,535,100.16 : x
  2. Step 2: Convert to fraction form
    328,853,553.95/493,390,456.91 = 107,535,100.16/x
  3. Step 3: Cross multiply
    328,853,553.95x = 493,390,456.91 × 107,535,100.16
  4. Step 4: Simplify right side
    328,853,553.95x = 53,056,792,198,800,384
  5. Step 5: Solve for x
    x = 53,056,792,198,800,384/328,853,553.95
  6. Step 6: Final answer
    x = 161,338,661.43

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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.