Home / 374,543,999.70-561,815,999.55-193,145,471.70

Finding the Fourth Proportional to 374,543,999.70, 561,815,999.55 and 193,145,471.70

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Solution

The fourth proportional to 374,543,999.70, 561,815,999.55 and 193,145,471.70 is: 289,718,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,543,999.70 : 561,815,999.55 = 193,145,471.70 : x
  2. Step 2: Convert to fraction form
    374,543,999.70/561,815,999.55 = 193,145,471.70/x
  3. Step 3: Cross multiply
    374,543,999.70x = 561,815,999.55 × 193,145,471.70
  4. Step 4: Simplify right side
    374,543,999.70x = 108,512,216,241,691,728
  5. Step 5: Solve for x
    x = 108,512,216,241,691,728/374,543,999.70
  6. Step 6: Final answer
    x = 289,718,207.55

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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.