Home / 199,303,943.40-298,955,915.10-166,992,330.60

Finding the Fourth Proportional to 199,303,943.40, 298,955,915.10 and 166,992,330.60

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Solution

The fourth proportional to 199,303,943.40, 298,955,915.10 and 166,992,330.60 is: 250,488,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,943.40 : 298,955,915.10 = 166,992,330.60 : x
  2. Step 2: Convert to fraction form
    199,303,943.40/298,955,915.10 = 166,992,330.60/x
  3. Step 3: Cross multiply
    199,303,943.40x = 298,955,915.10 × 166,992,330.60
  4. Step 4: Simplify right side
    199,303,943.40x = 49,923,345,009,204,736
  5. Step 5: Solve for x
    x = 49,923,345,009,204,736/199,303,943.40
  6. Step 6: Final answer
    x = 250,488,495.90

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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.