Home / 92,670,168.80-139,071,608.40-38,856,101.60

Finding the Fourth Proportional to 92,670,168.80, 139,071,608.40 and 38,856,101.60

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Solution

The fourth proportional to 92,670,168.80, 139,071,608.40 and 38,856,101.60 is: 58,311,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670,168.80 : 139,071,608.40 = 38,856,101.60 : x
  2. Step 2: Convert to fraction form
    92,670,168.80/139,071,608.40 = 38,856,101.60/x
  3. Step 3: Cross multiply
    92,670,168.80x = 139,071,608.40 × 38,856,101.60
  4. Step 4: Simplify right side
    92,670,168.80x = 5,403,780,545,665,814
  5. Step 5: Solve for x
    x = 5,403,780,545,665,814/92,670,168.80
  6. Step 6: Final answer
    x = 58,311,974.78

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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.