Home / 198,169,271.60-297,253,907.40-68,733,863.60

Finding the Fourth Proportional to 198,169,271.60, 297,253,907.40 and 68,733,863.60

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Solution

The fourth proportional to 198,169,271.60, 297,253,907.40 and 68,733,863.60 is: 103,100,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,169,271.60 : 297,253,907.40 = 68,733,863.60 : x
  2. Step 2: Convert to fraction form
    198,169,271.60/297,253,907.40 = 68,733,863.60/x
  3. Step 3: Cross multiply
    198,169,271.60x = 297,253,907.40 × 68,733,863.60
  4. Step 4: Simplify right side
    198,169,271.60x = 20,431,409,525,798,628
  5. Step 5: Solve for x
    x = 20,431,409,525,798,628/198,169,271.60
  6. Step 6: Final answer
    x = 103,100,795.40

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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.