Home / 219,675,361.91-303,131,962.38-130,351,913.63

Finding the Fourth Proportional to 219,675,361.91, 303,131,962.38 and 130,351,913.63

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Solution

The fourth proportional to 219,675,361.91, 303,131,962.38 and 130,351,913.63 is: 179,873,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,675,361.91 : 303,131,962.38 = 130,351,913.63 : x
  2. Step 2: Convert to fraction form
    219,675,361.91/303,131,962.38 = 130,351,913.63/x
  3. Step 3: Cross multiply
    219,675,361.91x = 303,131,962.38 × 130,351,913.63
  4. Step 4: Simplify right side
    219,675,361.91x = 39,513,831,380,097,392
  5. Step 5: Solve for x
    x = 39,513,831,380,097,392/219,675,361.91
  6. Step 6: Final answer
    x = 179,873,751.15

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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.