Home / 71,099,145.06-106,555,078.16-30,107,862.84

Finding the Fourth Proportional to 71,099,145.06, 106,555,078.16 and 30,107,862.84

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Solution

The fourth proportional to 71,099,145.06, 106,555,078.16 and 30,107,862.84 is: 45,122,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,099,145.06 : 106,555,078.16 = 30,107,862.84 : x
  2. Step 2: Convert to fraction form
    71,099,145.06/106,555,078.16 = 30,107,862.84/x
  3. Step 3: Cross multiply
    71,099,145.06x = 106,555,078.16 × 30,107,862.84
  4. Step 4: Simplify right side
    71,099,145.06x = 3,208,145,678,146,759.50
  5. Step 5: Solve for x
    x = 3,208,145,678,146,759.50/71,099,145.06
  6. Step 6: Final answer
    x = 45,122,141.42

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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.