Home / 86,405,412.80-129,757,418.40-46,094,628.80

Finding the Fourth Proportional to 86,405,412.80, 129,757,418.40 and 46,094,628.80

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Solution

The fourth proportional to 86,405,412.80, 129,757,418.40 and 46,094,628.80 is: 69,221,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,405,412.80 : 129,757,418.40 = 46,094,628.80 : x
  2. Step 2: Convert to fraction form
    86,405,412.80/129,757,418.40 = 46,094,628.80/x
  3. Step 3: Cross multiply
    86,405,412.80x = 129,757,418.40 × 46,094,628.80
  4. Step 4: Simplify right side
    86,405,412.80x = 5,981,120,035,194,290
  5. Step 5: Solve for x
    x = 5,981,120,035,194,290/86,405,412.80
  6. Step 6: Final answer
    x = 69,221,589.73

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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.