Home / 144,661,761-199,633,307.94-79,475,864.04

Finding the Fourth Proportional to 144,661,761, 199,633,307.94 and 79,475,864.04

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Solution

The fourth proportional to 144,661,761, 199,633,307.94 and 79,475,864.04 is: 109,676,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,661,761 : 199,633,307.94 = 79,475,864.04 : x
  2. Step 2: Convert to fraction form
    144,661,761/199,633,307.94 = 79,475,864.04/x
  3. Step 3: Cross multiply
    144,661,761x = 199,633,307.94 × 79,475,864.04
  4. Step 4: Simplify right side
    144,661,761x = 15,866,029,639,694,894
  5. Step 5: Solve for x
    x = 15,866,029,639,694,894/144,661,761
  6. Step 6: Final answer
    x = 109,676,735.10

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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.