Home / 278,131,719.11-416,880,216.45-112,028,910.84

Finding the Fourth Proportional to 278,131,719.11, 416,880,216.45 and 112,028,910.84

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Solution

The fourth proportional to 278,131,719.11, 416,880,216.45 and 112,028,910.84 is: 167,915,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,131,719.11 : 416,880,216.45 = 112,028,910.84 : x
  2. Step 2: Convert to fraction form
    278,131,719.11/416,880,216.45 = 112,028,910.84/x
  3. Step 3: Cross multiply
    278,131,719.11x = 416,880,216.45 × 112,028,910.84
  4. Step 4: Simplify right side
    278,131,719.11x = 46,702,636,599,636,952
  5. Step 5: Solve for x
    x = 46,702,636,599,636,952/278,131,719.11
  6. Step 6: Final answer
    x = 167,915,535.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.