Home / 144,650,637.97-199,634,439.60-81,088,144.61

Finding the Fourth Proportional to 144,650,637.97, 199,634,439.60 and 81,088,144.61

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Solution

The fourth proportional to 144,650,637.97, 199,634,439.60 and 81,088,144.61 is: 111,910,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650,637.97 : 199,634,439.60 = 81,088,144.61 : x
  2. Step 2: Convert to fraction form
    144,650,637.97/199,634,439.60 = 81,088,144.61/x
  3. Step 3: Cross multiply
    144,650,637.97x = 199,634,439.60 × 81,088,144.61
  4. Step 4: Simplify right side
    144,650,637.97x = 16,187,986,307,421,110
  5. Step 5: Solve for x
    x = 16,187,986,307,421,110/144,650,637.97
  6. Step 6: Final answer
    x = 111,910,922.31

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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.