Home / 168,643,208.40-252,964,812.60-47,474,660.40

Finding the Fourth Proportional to 168,643,208.40, 252,964,812.60 and 47,474,660.40

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Solution

The fourth proportional to 168,643,208.40, 252,964,812.60 and 47,474,660.40 is: 71,211,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,643,208.40 : 252,964,812.60 = 47,474,660.40 : x
  2. Step 2: Convert to fraction form
    168,643,208.40/252,964,812.60 = 47,474,660.40/x
  3. Step 3: Cross multiply
    168,643,208.40x = 252,964,812.60 × 47,474,660.40
  4. Step 4: Simplify right side
    168,643,208.40x = 12,009,418,571,334,640
  5. Step 5: Solve for x
    x = 12,009,418,571,334,640/168,643,208.40
  6. Step 6: Final answer
    x = 71,211,990.60

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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.