Home / 196,263,043.20-294,394,564.80-194,919,350.40

Finding the Fourth Proportional to 196,263,043.20, 294,394,564.80 and 194,919,350.40

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Solution

The fourth proportional to 196,263,043.20, 294,394,564.80 and 194,919,350.40 is: 292,379,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,263,043.20 : 294,394,564.80 = 194,919,350.40 : x
  2. Step 2: Convert to fraction form
    196,263,043.20/294,394,564.80 = 194,919,350.40/x
  3. Step 3: Cross multiply
    196,263,043.20x = 294,394,564.80 × 194,919,350.40
  4. Step 4: Simplify right side
    196,263,043.20x = 57,383,197,332,106,712
  5. Step 5: Solve for x
    x = 57,383,197,332,106,712/196,263,043.20
  6. Step 6: Final answer
    x = 292,379,025.60

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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.