Home / 190,635,565.51-263,062,642.78-106,987,540.97

Finding the Fourth Proportional to 190,635,565.51, 263,062,642.78 and 106,987,540.97

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Solution

The fourth proportional to 190,635,565.51, 263,062,642.78 and 106,987,540.97 is: 147,634,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,565.51 : 263,062,642.78 = 106,987,540.97 : x
  2. Step 2: Convert to fraction form
    190,635,565.51/263,062,642.78 = 106,987,540.97/x
  3. Step 3: Cross multiply
    190,635,565.51x = 263,062,642.78 × 106,987,540.97
  4. Step 4: Simplify right side
    190,635,565.51x = 28,144,425,270,518,944
  5. Step 5: Solve for x
    x = 28,144,425,270,518,944/190,635,565.51
  6. Step 6: Final answer
    x = 147,634,703.92

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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.