Home / 81,392,644.45-112,321,983.72-44,223,070.42

Finding the Fourth Proportional to 81,392,644.45, 112,321,983.72 and 44,223,070.42

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Solution

The fourth proportional to 81,392,644.45, 112,321,983.72 and 44,223,070.42 is: 61,027,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,392,644.45 : 112,321,983.72 = 44,223,070.42 : x
  2. Step 2: Convert to fraction form
    81,392,644.45/112,321,983.72 = 44,223,070.42/x
  3. Step 3: Cross multiply
    81,392,644.45x = 112,321,983.72 × 44,223,070.42
  4. Step 4: Simplify right side
    81,392,644.45x = 4,967,222,995,763,654
  5. Step 5: Solve for x
    x = 4,967,222,995,763,654/81,392,644.45
  6. Step 6: Final answer
    x = 61,027,910.19

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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.