Home / 71,194,653.42-107,325,596.60-66,448,846.40

Finding the Fourth Proportional to 71,194,653.42, 107,325,596.60 and 66,448,846.40

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Solution

The fourth proportional to 71,194,653.42, 107,325,596.60 and 66,448,846.40 is: 100,171,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194,653.42 : 107,325,596.60 = 66,448,846.40 : x
  2. Step 2: Convert to fraction form
    71,194,653.42/107,325,596.60 = 66,448,846.40/x
  3. Step 3: Cross multiply
    71,194,653.42x = 107,325,596.60 × 66,448,846.40
  4. Step 4: Simplify right side
    71,194,653.42x = 7,131,662,083,261,762
  5. Step 5: Solve for x
    x = 7,131,662,083,261,762/71,194,653.42
  6. Step 6: Final answer
    x = 100,171,315.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.