Home / 320,601,121.60-481,212,657.21-154,721,363.12

Finding the Fourth Proportional to 320,601,121.60, 481,212,657.21 and 154,721,363.12

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Solution

The fourth proportional to 320,601,121.60, 481,212,657.21 and 154,721,363.12 is: 232,232,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,121.60 : 481,212,657.21 = 154,721,363.12 : x
  2. Step 2: Convert to fraction form
    320,601,121.60/481,212,657.21 = 154,721,363.12/x
  3. Step 3: Cross multiply
    320,601,121.60x = 481,212,657.21 × 154,721,363.12
  4. Step 4: Simplify right side
    320,601,121.60x = 74,453,878,274,128,496
  5. Step 5: Solve for x
    x = 74,453,878,274,128,496/320,601,121.60
  6. Step 6: Final answer
    x = 232,232,120.41

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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.