Home / 216,438,610.32-298,677,280.17-117,317,229.48

Finding the Fourth Proportional to 216,438,610.32, 298,677,280.17 and 117,317,229.48

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Solution

The fourth proportional to 216,438,610.32, 298,677,280.17 and 117,317,229.48 is: 161,893,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,610.32 : 298,677,280.17 = 117,317,229.48 : x
  2. Step 2: Convert to fraction form
    216,438,610.32/298,677,280.17 = 117,317,229.48/x
  3. Step 3: Cross multiply
    216,438,610.32x = 298,677,280.17 × 117,317,229.48
  4. Step 4: Simplify right side
    216,438,610.32x = 35,039,991,018,912,840
  5. Step 5: Solve for x
    x = 35,039,991,018,912,840/216,438,610.32
  6. Step 6: Final answer
    x = 161,893,439.29

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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.