Home / 259,511,064.86-358,086,744.73-157,615,717.51

Finding the Fourth Proportional to 259,511,064.86, 358,086,744.73 and 157,615,717.51

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Solution

The fourth proportional to 259,511,064.86, 358,086,744.73 and 157,615,717.51 is: 217,486,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,511,064.86 : 358,086,744.73 = 157,615,717.51 : x
  2. Step 2: Convert to fraction form
    259,511,064.86/358,086,744.73 = 157,615,717.51/x
  3. Step 3: Cross multiply
    259,511,064.86x = 358,086,744.73 × 157,615,717.51
  4. Step 4: Simplify right side
    259,511,064.86x = 56,440,099,200,149,904
  5. Step 5: Solve for x
    x = 56,440,099,200,149,904/259,511,064.86
  6. Step 6: Final answer
    x = 217,486,291.89

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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.