Home / 54,405,846.91-81,640,656.83-39,036,573.19

Finding the Fourth Proportional to 54,405,846.91, 81,640,656.83 and 39,036,573.19

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Solution

The fourth proportional to 54,405,846.91, 81,640,656.83 and 39,036,573.19 is: 58,577,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,846.91 : 81,640,656.83 = 39,036,573.19 : x
  2. Step 2: Convert to fraction form
    54,405,846.91/81,640,656.83 = 39,036,573.19/x
  3. Step 3: Cross multiply
    54,405,846.91x = 81,640,656.83 × 39,036,573.19
  4. Step 4: Simplify right side
    54,405,846.91x = 3,186,971,475,623,968
  5. Step 5: Solve for x
    x = 3,186,971,475,623,968/54,405,846.91
  6. Step 6: Final answer
    x = 58,577,738.55

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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.