Home / 216,438,609.44-298,677,278.96-117,317,228.61

Finding the Fourth Proportional to 216,438,609.44, 298,677,278.96 and 117,317,228.61

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Solution

The fourth proportional to 216,438,609.44, 298,677,278.96 and 117,317,228.61 is: 161,893,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,609.44 : 298,677,278.96 = 117,317,228.61 : x
  2. Step 2: Convert to fraction form
    216,438,609.44/298,677,278.96 = 117,317,228.61/x
  3. Step 3: Cross multiply
    216,438,609.44x = 298,677,278.96 × 117,317,228.61
  4. Step 4: Simplify right side
    216,438,609.44x = 35,039,990,615,479,108
  5. Step 5: Solve for x
    x = 35,039,990,615,479,108/216,438,609.44
  6. Step 6: Final answer
    x = 161,893,438.08

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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.