Home / 198,969,532.02-274,578,523.65-115,353,918.90

Finding the Fourth Proportional to 198,969,532.02, 274,578,523.65 and 115,353,918.90

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Solution

The fourth proportional to 198,969,532.02, 274,578,523.65 and 115,353,918.90 is: 159,188,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,969,532.02 : 274,578,523.65 = 115,353,918.90 : x
  2. Step 2: Convert to fraction form
    198,969,532.02/274,578,523.65 = 115,353,918.90/x
  3. Step 3: Cross multiply
    198,969,532.02x = 274,578,523.65 × 115,353,918.90
  4. Step 4: Simplify right side
    198,969,532.02x = 31,673,708,748,803,832
  5. Step 5: Solve for x
    x = 31,673,708,748,803,832/198,969,532.02
  6. Step 6: Final answer
    x = 159,188,738.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.