Home / 86,405,408.80-129,757,412.40-46,094,624.80

Finding the Fourth Proportional to 86,405,408.80, 129,757,412.40 and 46,094,624.80

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Solution

The fourth proportional to 86,405,408.80, 129,757,412.40 and 46,094,624.80 is: 69,221,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,405,408.80 : 129,757,412.40 = 46,094,624.80 : x
  2. Step 2: Convert to fraction form
    86,405,408.80/129,757,412.40 = 46,094,624.80/x
  3. Step 3: Cross multiply
    86,405,408.80x = 129,757,412.40 × 46,094,624.80
  4. Step 4: Simplify right side
    86,405,408.80x = 5,981,119,239,596,867
  5. Step 5: Solve for x
    x = 5,981,119,239,596,867/86,405,408.80
  6. Step 6: Final answer
    x = 69,221,583.73

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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.