Home / 81,109,169.16-112,079,127.24-59,044,361.61

Finding the Fourth Proportional to 81,109,169.16, 112,079,127.24 and 59,044,361.61

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Solution

The fourth proportional to 81,109,169.16, 112,079,127.24 and 59,044,361.61 is: 81,589,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,109,169.16 : 112,079,127.24 = 59,044,361.61 : x
  2. Step 2: Convert to fraction form
    81,109,169.16/112,079,127.24 = 59,044,361.61/x
  3. Step 3: Cross multiply
    81,109,169.16x = 112,079,127.24 × 59,044,361.61
  4. Step 4: Simplify right side
    81,109,169.16x = 6,617,640,517,691,761
  5. Step 5: Solve for x
    x = 6,617,640,517,691,761/81,109,169.16
  6. Step 6: Final answer
    x = 81,589,302.25

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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.