Home / 231,840,542.80-347,760,814.20-124,345,118.80

Finding the Fourth Proportional to 231,840,542.80, 347,760,814.20 and 124,345,118.80

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Solution

The fourth proportional to 231,840,542.80, 347,760,814.20 and 124,345,118.80 is: 186,517,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,542.80 : 347,760,814.20 = 124,345,118.80 : x
  2. Step 2: Convert to fraction form
    231,840,542.80/347,760,814.20 = 124,345,118.80/x
  3. Step 3: Cross multiply
    231,840,542.80x = 347,760,814.20 × 124,345,118.80
  4. Step 4: Simplify right side
    231,840,542.80x = 43,242,359,755,683,728
  5. Step 5: Solve for x
    x = 43,242,359,755,683,728/231,840,542.80
  6. Step 6: Final answer
    x = 186,517,678.20

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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.