Home / 103,797,020.22-143,238,132.18-74,082,382.44

Finding the Fourth Proportional to 103,797,020.22, 143,238,132.18 and 74,082,382.44

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Solution

The fourth proportional to 103,797,020.22, 143,238,132.18 and 74,082,382.44 is: 102,232,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797,020.22 : 143,238,132.18 = 74,082,382.44 : x
  2. Step 2: Convert to fraction form
    103,797,020.22/143,238,132.18 = 74,082,382.44/x
  3. Step 3: Cross multiply
    103,797,020.22x = 143,238,132.18 × 74,082,382.44
  4. Step 4: Simplify right side
    103,797,020.22x = 10,611,422,088,150,032
  5. Step 5: Solve for x
    x = 10,611,422,088,150,032/103,797,020.22
  6. Step 6: Final answer
    x = 102,232,434.67

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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.