Home / 207,936,216.80-311,933,816.40-64,314,072.80

Finding the Fourth Proportional to 207,936,216.80, 311,933,816.40 and 64,314,072.80

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Solution

The fourth proportional to 207,936,216.80, 311,933,816.40 and 64,314,072.80 is: 96,480,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,936,216.80 : 311,933,816.40 = 64,314,072.80 : x
  2. Step 2: Convert to fraction form
    207,936,216.80/311,933,816.40 = 64,314,072.80/x
  3. Step 3: Cross multiply
    207,936,216.80x = 311,933,816.40 × 64,314,072.80
  4. Step 4: Simplify right side
    207,936,216.80x = 20,061,734,176,731,432
  5. Step 5: Solve for x
    x = 20,061,734,176,731,432/207,936,216.80
  6. Step 6: Final answer
    x = 96,480,230.74

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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.