Home / 179,179,846.20-247,136,161.32-135,128,699.28

Finding the Fourth Proportional to 179,179,846.20, 247,136,161.32 and 135,128,699.28

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Solution

The fourth proportional to 179,179,846.20, 247,136,161.32 and 135,128,699.28 is: 186,378,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,179,846.20 : 247,136,161.32 = 135,128,699.28 : x
  2. Step 2: Convert to fraction form
    179,179,846.20/247,136,161.32 = 135,128,699.28/x
  3. Step 3: Cross multiply
    179,179,846.20x = 247,136,161.32 × 135,128,699.28
  4. Step 4: Simplify right side
    179,179,846.20x = 33,395,188,024,223,848
  5. Step 5: Solve for x
    x = 33,395,188,024,223,848/179,179,846.20
  6. Step 6: Final answer
    x = 186,378,037.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.