Home / 216,619,894.88-298,933,685.60-117,500,394.16

Finding the Fourth Proportional to 216,619,894.88, 298,933,685.60 and 117,500,394.16

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Solution

The fourth proportional to 216,619,894.88, 298,933,685.60 and 117,500,394.16 is: 162,149,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,894.88 : 298,933,685.60 = 117,500,394.16 : x
  2. Step 2: Convert to fraction form
    216,619,894.88/298,933,685.60 = 117,500,394.16/x
  3. Step 3: Cross multiply
    216,619,894.88x = 298,933,685.60 × 117,500,394.16
  4. Step 4: Simplify right side
    216,619,894.88x = 35,124,825,885,701,516
  5. Step 5: Solve for x
    x = 35,124,825,885,701,516/216,619,894.88
  6. Step 6: Final answer
    x = 162,149,584.21

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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.