Home / 35,263,907.30-52,816,144.80-20,915,000.30

Finding the Fourth Proportional to 35,263,907.30, 52,816,144.80 and 20,915,000.30

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Solution

The fourth proportional to 35,263,907.30, 52,816,144.80 and 20,915,000.30 is: 31,325,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263,907.30 : 52,816,144.80 = 20,915,000.30 : x
  2. Step 2: Convert to fraction form
    35,263,907.30/52,816,144.80 = 20,915,000.30/x
  3. Step 3: Cross multiply
    35,263,907.30x = 52,816,144.80 × 20,915,000.30
  4. Step 4: Simplify right side
    35,263,907.30x = 1,104,649,684,336,843.38
  5. Step 5: Solve for x
    x = 1,104,649,684,336,843.38/35,263,907.30
  6. Step 6: Final answer
    x = 31,325,220.85

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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.