Home / 199,530,573.20-299,295,859.80-122,604,160.40

Finding the Fourth Proportional to 199,530,573.20, 299,295,859.80 and 122,604,160.40

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Solution

The fourth proportional to 199,530,573.20, 299,295,859.80 and 122,604,160.40 is: 183,906,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,573.20 : 299,295,859.80 = 122,604,160.40 : x
  2. Step 2: Convert to fraction form
    199,530,573.20/299,295,859.80 = 122,604,160.40/x
  3. Step 3: Cross multiply
    199,530,573.20x = 299,295,859.80 × 122,604,160.40
  4. Step 4: Simplify right side
    199,530,573.20x = 36,694,917,601,975,112
  5. Step 5: Solve for x
    x = 36,694,917,601,975,112/199,530,573.20
  6. Step 6: Final answer
    x = 183,906,240.60

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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.