Home / 199,637,308.60-298,952,078.10-131,108,975.80

Finding the Fourth Proportional to 199,637,308.60, 298,952,078.10 and 131,108,975.80

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Solution

The fourth proportional to 199,637,308.60, 298,952,078.10 and 131,108,975.80 is: 196,332,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,637,308.60 : 298,952,078.10 = 131,108,975.80 : x
  2. Step 2: Convert to fraction form
    199,637,308.60/298,952,078.10 = 131,108,975.80/x
  3. Step 3: Cross multiply
    199,637,308.60x = 298,952,078.10 × 131,108,975.80
  4. Step 4: Simplify right side
    199,637,308.60x = 39,195,300,772,972,616
  5. Step 5: Solve for x
    x = 39,195,300,772,972,616/199,637,308.60
  6. Step 6: Final answer
    x = 196,332,544.49

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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.