Home / 196,560,045.20-294,840,067.80-194,009,128.40

Finding the Fourth Proportional to 196,560,045.20, 294,840,067.80 and 194,009,128.40

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Solution

The fourth proportional to 196,560,045.20, 294,840,067.80 and 194,009,128.40 is: 291,013,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,560,045.20 : 294,840,067.80 = 194,009,128.40 : x
  2. Step 2: Convert to fraction form
    196,560,045.20/294,840,067.80 = 194,009,128.40/x
  3. Step 3: Cross multiply
    196,560,045.20x = 294,840,067.80 × 194,009,128.40
  4. Step 4: Simplify right side
    196,560,045.20x = 57,201,664,571,274,912
  5. Step 5: Solve for x
    x = 57,201,664,571,274,912/196,560,045.20
  6. Step 6: Final answer
    x = 291,013,692.60

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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.