Home / 140,603,003.70-210,904,505.55-49,726,592.70

Finding the Fourth Proportional to 140,603,003.70, 210,904,505.55 and 49,726,592.70

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Solution

The fourth proportional to 140,603,003.70, 210,904,505.55 and 49,726,592.70 is: 74,589,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603,003.70 : 210,904,505.55 = 49,726,592.70 : x
  2. Step 2: Convert to fraction form
    140,603,003.70/210,904,505.55 = 49,726,592.70/x
  3. Step 3: Cross multiply
    140,603,003.70x = 210,904,505.55 × 49,726,592.70
  4. Step 4: Simplify right side
    140,603,003.70x = 10,487,562,446,079,740
  5. Step 5: Solve for x
    x = 10,487,562,446,079,740/140,603,003.70
  6. Step 6: Final answer
    x = 74,589,889.05

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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.