Home / 231,678,491.80-347,512,424.10-116,632,139.80

Finding the Fourth Proportional to 231,678,491.80, 347,512,424.10 and 116,632,139.80

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Solution

The fourth proportional to 231,678,491.80, 347,512,424.10 and 116,632,139.80 is: 174,945,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,678,491.80 : 347,512,424.10 = 116,632,139.80 : x
  2. Step 2: Convert to fraction form
    231,678,491.80/347,512,424.10 = 116,632,139.80/x
  3. Step 3: Cross multiply
    231,678,491.80x = 347,512,424.10 × 116,632,139.80
  4. Step 4: Simplify right side
    231,678,491.80x = 40,531,117,629,868,088
  5. Step 5: Solve for x
    x = 40,531,117,629,868,088/231,678,491.80
  6. Step 6: Final answer
    x = 174,945,534.71

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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.