Home / 103,629,644.20-155,543,999.10-52,569,317.80

Finding the Fourth Proportional to 103,629,644.20, 155,543,999.10 and 52,569,317.80

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Solution

The fourth proportional to 103,629,644.20, 155,543,999.10 and 52,569,317.80 is: 78,904,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629,644.20 : 155,543,999.10 = 52,569,317.80 : x
  2. Step 2: Convert to fraction form
    103,629,644.20/155,543,999.10 = 52,569,317.80/x
  3. Step 3: Cross multiply
    103,629,644.20x = 155,543,999.10 × 52,569,317.80
  4. Step 4: Simplify right side
    103,629,644.20x = 8,176,841,920,570,813
  5. Step 5: Solve for x
    x = 8,176,841,920,570,813/103,629,644.20
  6. Step 6: Final answer
    x = 78,904,467.77

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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.