Home / 481,345,420.91-722,086,687.76-149,381,111.93

Finding the Fourth Proportional to 481,345,420.91, 722,086,687.76 and 149,381,111.93

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Solution

The fourth proportional to 481,345,420.91, 722,086,687.76 and 149,381,111.93 is: 224,092,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,345,420.91 : 722,086,687.76 = 149,381,111.93 : x
  2. Step 2: Convert to fraction form
    481,345,420.91/722,086,687.76 = 149,381,111.93/x
  3. Step 3: Cross multiply
    481,345,420.91x = 722,086,687.76 × 149,381,111.93
  4. Step 4: Simplify right side
    481,345,420.91x = 107,866,112,323,082,192
  5. Step 5: Solve for x
    x = 107,866,112,323,082,192/481,345,420.91
  6. Step 6: Final answer
    x = 224,092,943.73

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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.