Home / 144,661,132-199,632,439.92-79,475,235.04

Finding the Fourth Proportional to 144,661,132, 199,632,439.92 and 79,475,235.04

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Solution

The fourth proportional to 144,661,132, 199,632,439.92 and 79,475,235.04 is: 109,675,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,661,132 : 199,632,439.92 = 79,475,235.04 : x
  2. Step 2: Convert to fraction form
    144,661,132/199,632,439.92 = 79,475,235.04/x
  3. Step 3: Cross multiply
    144,661,132x = 199,632,439.92 × 79,475,235.04
  4. Step 4: Simplify right side
    144,661,132x = 15,865,835,084,250,680
  5. Step 5: Solve for x
    x = 15,865,835,084,250,680/144,661,132
  6. Step 6: Final answer
    x = 109,675,867.08

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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.