Home / 199,291,290.90-298,936,936.35-102,436,168.65

Finding the Fourth Proportional to 199,291,290.90, 298,936,936.35 and 102,436,168.65

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Solution

The fourth proportional to 199,291,290.90, 298,936,936.35 and 102,436,168.65 is: 153,654,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,290.90 : 298,936,936.35 = 102,436,168.65 : x
  2. Step 2: Convert to fraction form
    199,291,290.90/298,936,936.35 = 102,436,168.65/x
  3. Step 3: Cross multiply
    199,291,290.90x = 298,936,936.35 × 102,436,168.65
  4. Step 4: Simplify right side
    199,291,290.90x = 30,621,954,427,662,920
  5. Step 5: Solve for x
    x = 30,621,954,427,662,920/199,291,290.90
  6. Step 6: Final answer
    x = 153,654,252.98

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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.