Home / 81,319,514.72-112,222,535.28-44,649,764.96

Finding the Fourth Proportional to 81,319,514.72, 112,222,535.28 and 44,649,764.96

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Solution

The fourth proportional to 81,319,514.72, 112,222,535.28 and 44,649,764.96 is: 61,617,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319,514.72 : 112,222,535.28 = 44,649,764.96 : x
  2. Step 2: Convert to fraction form
    81,319,514.72/112,222,535.28 = 44,649,764.96/x
  3. Step 3: Cross multiply
    81,319,514.72x = 112,222,535.28 × 44,649,764.96
  4. Step 4: Simplify right side
    81,319,514.72x = 5,010,709,823,467,308
  5. Step 5: Solve for x
    x = 5,010,709,823,467,308/81,319,514.72
  6. Step 6: Final answer
    x = 61,617,556.88

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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.