Home / 137,847,679.88-190,229,800.05-75,968,017.83

Finding the Fourth Proportional to 137,847,679.88, 190,229,800.05 and 75,968,017.83

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Solution

The fourth proportional to 137,847,679.88, 190,229,800.05 and 75,968,017.83 is: 104,835,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,847,679.88 : 190,229,800.05 = 75,968,017.83 : x
  2. Step 2: Convert to fraction form
    137,847,679.88/190,229,800.05 = 75,968,017.83/x
  3. Step 3: Cross multiply
    137,847,679.88x = 190,229,800.05 × 75,968,017.83
  4. Step 4: Simplify right side
    137,847,679.88x = 14,451,380,841,995,736
  5. Step 5: Solve for x
    x = 14,451,380,841,995,736/137,847,679.88
  6. Step 6: Final answer
    x = 104,835,865.61

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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.