Home / 133,410,783.06-200,150,674.50-78,125,307.52

Finding the Fourth Proportional to 133,410,783.06, 200,150,674.50 and 78,125,307.52

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Solution

The fourth proportional to 133,410,783.06, 200,150,674.50 and 78,125,307.52 is: 117,208,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,410,783.06 : 200,150,674.50 = 78,125,307.52 : x
  2. Step 2: Convert to fraction form
    133,410,783.06/200,150,674.50 = 78,125,307.52/x
  3. Step 3: Cross multiply
    133,410,783.06x = 200,150,674.50 × 78,125,307.52
  4. Step 4: Simplify right side
    133,410,783.06x = 15,636,832,995,647,922
  5. Step 5: Solve for x
    x = 15,636,832,995,647,922/133,410,783.06
  6. Step 6: Final answer
    x = 117,208,164.42

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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.