Home / 328,361,072.70-492,216,745.05-155,534,115.90

Finding the Fourth Proportional to 328,361,072.70, 492,216,745.05 and 155,534,115.90

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Solution

The fourth proportional to 328,361,072.70, 492,216,745.05 and 155,534,115.90 is: 233,147,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,361,072.70 : 492,216,745.05 = 155,534,115.90 : x
  2. Step 2: Convert to fraction form
    328,361,072.70/492,216,745.05 = 155,534,115.90/x
  3. Step 3: Cross multiply
    328,361,072.70x = 492,216,745.05 × 155,534,115.90
  4. Step 4: Simplify right side
    328,361,072.70x = 76,556,496,272,527,456
  5. Step 5: Solve for x
    x = 76,556,496,272,527,456/328,361,072.70
  6. Step 6: Final answer
    x = 233,147,296.19

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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.