Home / 144,661,762-199,633,309.32-79,475,865.04

Finding the Fourth Proportional to 144,661,762, 199,633,309.32 and 79,475,865.04

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Solution

The fourth proportional to 144,661,762, 199,633,309.32 and 79,475,865.04 is: 109,676,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,661,762 : 199,633,309.32 = 79,475,865.04 : x
  2. Step 2: Convert to fraction form
    144,661,762/199,633,309.32 = 79,475,865.04/x
  3. Step 3: Cross multiply
    144,661,762x = 199,633,309.32 × 79,475,865.04
  4. Step 4: Simplify right side
    144,661,762x = 15,866,029,949,004,894
  5. Step 5: Solve for x
    x = 15,866,029,949,004,894/144,661,762
  6. Step 6: Final answer
    x = 109,676,736.48

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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.