Home / 194,361,874.82-291,744,538.37-112,640,420.78

Finding the Fourth Proportional to 194,361,874.82, 291,744,538.37 and 112,640,420.78

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Solution

The fourth proportional to 194,361,874.82, 291,744,538.37 and 112,640,420.78 is: 169,077,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,361,874.82 : 291,744,538.37 = 112,640,420.78 : x
  2. Step 2: Convert to fraction form
    194,361,874.82/291,744,538.37 = 112,640,420.78/x
  3. Step 3: Cross multiply
    194,361,874.82x = 291,744,538.37 × 112,640,420.78
  4. Step 4: Simplify right side
    194,361,874.82x = 32,862,227,562,391,212
  5. Step 5: Solve for x
    x = 32,862,227,562,391,212/194,361,874.82
  6. Step 6: Final answer
    x = 169,077,539.48

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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.