Home / 199,530,586.20-299,295,879.30-122,604,173.40

Finding the Fourth Proportional to 199,530,586.20, 299,295,879.30 and 122,604,173.40

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Solution

The fourth proportional to 199,530,586.20, 299,295,879.30 and 122,604,173.40 is: 183,906,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,586.20 : 299,295,879.30 = 122,604,173.40 : x
  2. Step 2: Convert to fraction form
    199,530,586.20/299,295,879.30 = 122,604,173.40/x
  3. Step 3: Cross multiply
    199,530,586.20x = 299,295,879.30 × 122,604,173.40
  4. Step 4: Simplify right side
    199,530,586.20x = 36,694,923,883,602,672
  5. Step 5: Solve for x
    x = 36,694,923,883,602,672/199,530,586.20
  6. Step 6: Final answer
    x = 183,906,260.10

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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.