Home / 112,970,122.42-169,389,342.98-43,802,120.88

Finding the Fourth Proportional to 112,970,122.42, 169,389,342.98 and 43,802,120.88

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Solution

The fourth proportional to 112,970,122.42, 169,389,342.98 and 43,802,120.88 is: 65,677,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,970,122.42 : 169,389,342.98 = 43,802,120.88 : x
  2. Step 2: Convert to fraction form
    112,970,122.42/169,389,342.98 = 43,802,120.88/x
  3. Step 3: Cross multiply
    112,970,122.42x = 169,389,342.98 × 43,802,120.88
  4. Step 4: Simplify right side
    112,970,122.42x = 7,419,612,476,993,739
  5. Step 5: Solve for x
    x = 7,419,612,476,993,739/112,970,122.42
  6. Step 6: Final answer
    x = 65,677,652.80

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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.