Home / 144,661,105.88-199,632,403.87-79,475,208.92

Finding the Fourth Proportional to 144,661,105.88, 199,632,403.87 and 79,475,208.92

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Solution

The fourth proportional to 144,661,105.88, 199,632,403.87 and 79,475,208.92 is: 109,675,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,661,105.88 : 199,632,403.87 = 79,475,208.92 : x
  2. Step 2: Convert to fraction form
    144,661,105.88/199,632,403.87 = 79,475,208.92/x
  3. Step 3: Cross multiply
    144,661,105.88x = 199,632,403.87 × 79,475,208.92
  4. Step 4: Simplify right side
    144,661,105.88x = 15,865,827,003,573,218
  5. Step 5: Solve for x
    x = 15,865,827,003,573,218/144,661,105.88
  6. Step 6: Final answer
    x = 109,675,831.02

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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.