Home / 278,131,701.33-416,880,189.56-112,028,892.84

Finding the Fourth Proportional to 278,131,701.33, 416,880,189.56 and 112,028,892.84

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Solution

The fourth proportional to 278,131,701.33, 416,880,189.56 and 112,028,892.84 is: 167,915,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,131,701.33 : 416,880,189.56 = 112,028,892.84 : x
  2. Step 2: Convert to fraction form
    278,131,701.33/416,880,189.56 = 112,028,892.84/x
  3. Step 3: Cross multiply
    278,131,701.33x = 416,880,189.56 × 112,028,892.84
  4. Step 4: Simplify right side
    278,131,701.33x = 46,702,626,082,775,984
  5. Step 5: Solve for x
    x = 46,702,626,082,775,984/278,131,701.33
  6. Step 6: Final answer
    x = 167,915,508.59

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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.