Home / 82,979,819.82-114,509,144.34-45,809,302.14

Finding the Fourth Proportional to 82,979,819.82, 114,509,144.34 and 45,809,302.14

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Solution

The fourth proportional to 82,979,819.82, 114,509,144.34 and 45,809,302.14 is: 63,215,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979,819.82 : 114,509,144.34 = 45,809,302.14 : x
  2. Step 2: Convert to fraction form
    82,979,819.82/114,509,144.34 = 45,809,302.14/x
  3. Step 3: Cross multiply
    82,979,819.82x = 114,509,144.34 × 45,809,302.14
  4. Step 4: Simplify right side
    82,979,819.82x = 5,245,583,990,863,931
  5. Step 5: Solve for x
    x = 5,245,583,990,863,931/82,979,819.82
  6. Step 6: Final answer
    x = 63,215,176.92

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