Home / 218,330,293.20-326,599,644.60-196,831,208.40

Finding the Fourth Proportional to 218,330,293.20, 326,599,644.60 and 196,831,208.40

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Solution

The fourth proportional to 218,330,293.20, 326,599,644.60 and 196,831,208.40 is: 294,439,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,330,293.20 : 326,599,644.60 = 196,831,208.40 : x
  2. Step 2: Convert to fraction form
    218,330,293.20/326,599,644.60 = 196,831,208.40/x
  3. Step 3: Cross multiply
    218,330,293.20x = 326,599,644.60 × 196,831,208.40
  4. Step 4: Simplify right side
    218,330,293.20x = 64,285,002,709,628,544
  5. Step 5: Solve for x
    x = 64,285,002,709,628,544/218,330,293.20
  6. Step 6: Final answer
    x = 294,439,226.77

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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.