Home / 123,792,044.64-170,834,786.54-68,042,616.63

Finding the Fourth Proportional to 123,792,044.64, 170,834,786.54 and 68,042,616.63

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Solution

The fourth proportional to 123,792,044.64, 170,834,786.54 and 68,042,616.63 is: 93,899,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,792,044.64 : 170,834,786.54 = 68,042,616.63 : x
  2. Step 2: Convert to fraction form
    123,792,044.64/170,834,786.54 = 68,042,616.63/x
  3. Step 3: Cross multiply
    123,792,044.64x = 170,834,786.54 × 68,042,616.63
  4. Step 4: Simplify right side
    123,792,044.64x = 11,624,045,887,609,102
  5. Step 5: Solve for x
    x = 11,624,045,887,609,102/123,792,044.64
  6. Step 6: Final answer
    x = 93,899,781.05

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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.