Home / 81,079,672.44-111,891,766.86-46,271,669.88

Finding the Fourth Proportional to 81,079,672.44, 111,891,766.86 and 46,271,669.88

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Solution

The fourth proportional to 81,079,672.44, 111,891,766.86 and 46,271,669.88 is: 63,855,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079,672.44 : 111,891,766.86 = 46,271,669.88 : x
  2. Step 2: Convert to fraction form
    81,079,672.44/111,891,766.86 = 46,271,669.88/x
  3. Step 3: Cross multiply
    81,079,672.44x = 111,891,766.86 × 46,271,669.88
  4. Step 4: Simplify right side
    81,079,672.44x = 5,177,418,898,435,844
  5. Step 5: Solve for x
    x = 5,177,418,898,435,844/81,079,672.44
  6. Step 6: Final answer
    x = 63,855,942.47

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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.