Home / 199,106,145.88-298,766,294.70-191,858,996.50

Finding the Fourth Proportional to 199,106,145.88, 298,766,294.70 and 191,858,996.50

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Solution

The fourth proportional to 199,106,145.88, 298,766,294.70 and 191,858,996.50 is: 287,891,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,106,145.88 : 298,766,294.70 = 191,858,996.50 : x
  2. Step 2: Convert to fraction form
    199,106,145.88/298,766,294.70 = 191,858,996.50/x
  3. Step 3: Cross multiply
    199,106,145.88x = 298,766,294.70 × 191,858,996.50
  4. Step 4: Simplify right side
    199,106,145.88x = 57,321,001,489,165,264
  5. Step 5: Solve for x
    x = 57,321,001,489,165,264/199,106,145.88
  6. Step 6: Final answer
    x = 287,891,673.24

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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.