Home / 393,986,450.80-590,979,676.20-106,772,114.80

Finding the Fourth Proportional to 393,986,450.80, 590,979,676.20 and 106,772,114.80

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Solution

The fourth proportional to 393,986,450.80, 590,979,676.20 and 106,772,114.80 is: 160,158,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,986,450.80 : 590,979,676.20 = 106,772,114.80 : x
  2. Step 2: Convert to fraction form
    393,986,450.80/590,979,676.20 = 106,772,114.80/x
  3. Step 3: Cross multiply
    393,986,450.80x = 590,979,676.20 × 106,772,114.80
  4. Step 4: Simplify right side
    393,986,450.80x = 63,100,149,831,693,232
  5. Step 5: Solve for x
    x = 63,100,149,831,693,232/393,986,450.80
  6. Step 6: Final answer
    x = 160,158,172.20

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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.