Home / 278,460,662.06-384,253,220.26-160,993,563.72

Finding the Fourth Proportional to 278,460,662.06, 384,253,220.26 and 160,993,563.72

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Solution

The fourth proportional to 278,460,662.06, 384,253,220.26 and 160,993,563.72 is: 222,158,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,460,662.06 : 384,253,220.26 = 160,993,563.72 : x
  2. Step 2: Convert to fraction form
    278,460,662.06/384,253,220.26 = 160,993,563.72/x
  3. Step 3: Cross multiply
    278,460,662.06x = 384,253,220.26 × 160,993,563.72
  4. Step 4: Simplify right side
    278,460,662.06x = 61,862,295,300,543,504
  5. Step 5: Solve for x
    x = 61,862,295,300,543,504/278,460,662.06
  6. Step 6: Final answer
    x = 222,158,113.26

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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.