Home / 193,562,063.28-290,674,469.16-129,278,959.92

Finding the Fourth Proportional to 193,562,063.28, 290,674,469.16 and 129,278,959.92

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Solution

The fourth proportional to 193,562,063.28, 290,674,469.16 and 129,278,959.92 is: 194,139,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,562,063.28 : 290,674,469.16 = 129,278,959.92 : x
  2. Step 2: Convert to fraction form
    193,562,063.28/290,674,469.16 = 129,278,959.92/x
  3. Step 3: Cross multiply
    193,562,063.28x = 290,674,469.16 × 129,278,959.92
  4. Step 4: Simplify right side
    193,562,063.28x = 37,578,093,048,302,920
  5. Step 5: Solve for x
    x = 37,578,093,048,302,920/193,562,063.28
  6. Step 6: Final answer
    x = 194,139,762.78

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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.