Home / 151,939,733.36-209,676,910.92-82,325,168.96

Finding the Fourth Proportional to 151,939,733.36, 209,676,910.92 and 82,325,168.96

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Solution

The fourth proportional to 151,939,733.36, 209,676,910.92 and 82,325,168.96 is: 113,608,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939,733.36 : 209,676,910.92 = 82,325,168.96 : x
  2. Step 2: Convert to fraction form
    151,939,733.36/209,676,910.92 = 82,325,168.96/x
  3. Step 3: Cross multiply
    151,939,733.36x = 209,676,910.92 × 82,325,168.96
  4. Step 4: Simplify right side
    151,939,733.36x = 17,261,687,118,499,866
  5. Step 5: Solve for x
    x = 17,261,687,118,499,866/151,939,733.36
  6. Step 6: Final answer
    x = 113,608,775.91

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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.