Home / 117,396,409.11-162,069,941.78-90,515,025.38

Finding the Fourth Proportional to 117,396,409.11, 162,069,941.78 and 90,515,025.38

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Solution

The fourth proportional to 117,396,409.11, 162,069,941.78 and 90,515,025.38 is: 124,959,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,396,409.11 : 162,069,941.78 = 90,515,025.38 : x
  2. Step 2: Convert to fraction form
    117,396,409.11/162,069,941.78 = 90,515,025.38/x
  3. Step 3: Cross multiply
    117,396,409.11x = 162,069,941.78 × 90,515,025.38
  4. Step 4: Simplify right side
    117,396,409.11x = 14,669,764,892,288,898
  5. Step 5: Solve for x
    x = 14,669,764,892,288,898/117,396,409.11
  6. Step 6: Final answer
    x = 124,959,230.04

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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.