Home / 278,131,701.83-416,880,190.31-112,028,893.34

Finding the Fourth Proportional to 278,131,701.83, 416,880,190.31 and 112,028,893.34

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Solution

The fourth proportional to 278,131,701.83, 416,880,190.31 and 112,028,893.34 is: 167,915,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,131,701.83 : 416,880,190.31 = 112,028,893.34 : x
  2. Step 2: Convert to fraction form
    278,131,701.83/416,880,190.31 = 112,028,893.34/x
  3. Step 3: Cross multiply
    278,131,701.83x = 416,880,190.31 × 112,028,893.34
  4. Step 4: Simplify right side
    278,131,701.83x = 46,702,626,375,237,752
  5. Step 5: Solve for x
    x = 46,702,626,375,237,752/278,131,701.83
  6. Step 6: Final answer
    x = 167,915,509.34

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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.