Home / 202,024,420.65-303,156,205.20-133,136,381.03

Finding the Fourth Proportional to 202,024,420.65, 303,156,205.20 and 133,136,381.03

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Solution

The fourth proportional to 202,024,420.65, 303,156,205.20 and 133,136,381.03 is: 199,783,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,024,420.65 : 303,156,205.20 = 133,136,381.03 : x
  2. Step 2: Convert to fraction form
    202,024,420.65/303,156,205.20 = 133,136,381.03/x
  3. Step 3: Cross multiply
    202,024,420.65x = 303,156,205.20 × 133,136,381.03
  4. Step 4: Simplify right side
    202,024,420.65x = 40,361,120,045,600,288
  5. Step 5: Solve for x
    x = 40,361,120,045,600,288/202,024,420.65
  6. Step 6: Final answer
    x = 199,783,372.31

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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.