Home / 86,770,990.44-119,514,100.86-64,673,673.66

Finding the Fourth Proportional to 86,770,990.44, 119,514,100.86 and 64,673,673.66

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Solution

The fourth proportional to 86,770,990.44, 119,514,100.86 and 64,673,673.66 is: 89,078,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770,990.44 : 119,514,100.86 = 64,673,673.66 : x
  2. Step 2: Convert to fraction form
    86,770,990.44/119,514,100.86 = 64,673,673.66/x
  3. Step 3: Cross multiply
    86,770,990.44x = 119,514,100.86 × 64,673,673.66
  4. Step 4: Simplify right side
    86,770,990.44x = 7,729,415,956,787,965
  5. Step 5: Solve for x
    x = 7,729,415,956,787,965/86,770,990.44
  6. Step 6: Final answer
    x = 89,078,341.94

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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.