Home / 216,022,690.45-298,112,221.32-116,903,442.50

Finding the Fourth Proportional to 216,022,690.45, 298,112,221.32 and 116,903,442.50

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Solution

The fourth proportional to 216,022,690.45, 298,112,221.32 and 116,903,442.50 is: 161,327,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022,690.45 : 298,112,221.32 = 116,903,442.50 : x
  2. Step 2: Convert to fraction form
    216,022,690.45/298,112,221.32 = 116,903,442.50/x
  3. Step 3: Cross multiply
    216,022,690.45x = 298,112,221.32 × 116,903,442.50
  4. Step 4: Simplify right side
    216,022,690.45x = 34,850,344,923,629,892
  5. Step 5: Solve for x
    x = 34,850,344,923,629,892/216,022,690.45
  6. Step 6: Final answer
    x = 161,327,242.30

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1.5x scale

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.