Home / 199,308,906.10-298,963,359.15-111,780,573.40

Finding the Fourth Proportional to 199,308,906.10, 298,963,359.15 and 111,780,573.40

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Solution

The fourth proportional to 199,308,906.10, 298,963,359.15 and 111,780,573.40 is: 167,670,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308,906.10 : 298,963,359.15 = 111,780,573.40 : x
  2. Step 2: Convert to fraction form
    199,308,906.10/298,963,359.15 = 111,780,573.40/x
  3. Step 3: Cross multiply
    199,308,906.10x = 298,963,359.15 × 111,780,573.40
  4. Step 4: Simplify right side
    199,308,906.10x = 33,418,295,711,377,136
  5. Step 5: Solve for x
    x = 33,418,295,711,377,136/199,308,906.10
  6. Step 6: Final answer
    x = 167,670,860.10

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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.