Home / 81,297,122.88-112,187,126.88-46,014,170.88

Finding the Fourth Proportional to 81,297,122.88, 112,187,126.88 and 46,014,170.88

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Solution

The fourth proportional to 81,297,122.88, 112,187,126.88 and 46,014,170.88 is: 63,497,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297,122.88 : 112,187,126.88 = 46,014,170.88 : x
  2. Step 2: Convert to fraction form
    81,297,122.88/112,187,126.88 = 46,014,170.88/x
  3. Step 3: Cross multiply
    81,297,122.88x = 112,187,126.88 × 46,014,170.88
  4. Step 4: Simplify right side
    81,297,122.88x = 5,162,197,626,792,561
  5. Step 5: Solve for x
    x = 5,162,197,626,792,561/81,297,122.88
  6. Step 6: Final answer
    x = 63,497,912.89

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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.