Home / 194,184,067.20-291,276,100.80-79,105,876.80

Finding the Fourth Proportional to 194,184,067.20, 291,276,100.80 and 79,105,876.80

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Solution

The fourth proportional to 194,184,067.20, 291,276,100.80 and 79,105,876.80 is: 118,658,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,184,067.20 : 291,276,100.80 = 79,105,876.80 : x
  2. Step 2: Convert to fraction form
    194,184,067.20/291,276,100.80 = 79,105,876.80/x
  3. Step 3: Cross multiply
    194,184,067.20x = 291,276,100.80 × 79,105,876.80
  4. Step 4: Simplify right side
    194,184,067.20x = 23,041,651,344,669,180
  5. Step 5: Solve for x
    x = 23,041,651,344,669,180/194,184,067.20
  6. Step 6: Final answer
    x = 118,658,815.20

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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.