Home / 221,183,998.40-331,775,997.60-140,496,075.20

Finding the Fourth Proportional to 221,183,998.40, 331,775,997.60 and 140,496,075.20

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Solution

The fourth proportional to 221,183,998.40, 331,775,997.60 and 140,496,075.20 is: 210,744,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183,998.40 : 331,775,997.60 = 140,496,075.20 : x
  2. Step 2: Convert to fraction form
    221,183,998.40/331,775,997.60 = 140,496,075.20/x
  3. Step 3: Cross multiply
    221,183,998.40x = 331,775,997.60 × 140,496,075.20
  4. Step 4: Simplify right side
    221,183,998.40x = 46,613,225,508,364,616
  5. Step 5: Solve for x
    x = 46,613,225,508,364,616/221,183,998.40
  6. Step 6: Final answer
    x = 210,744,112.80

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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.