Home / 301,069,171.20-415,621,436.61-201,913,647.54

Finding the Fourth Proportional to 301,069,171.20, 415,621,436.61 and 201,913,647.54

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Solution

The fourth proportional to 301,069,171.20, 415,621,436.61 and 201,913,647.54 is: 278,738,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,069,171.20 : 415,621,436.61 = 201,913,647.54 : x
  2. Step 2: Convert to fraction form
    301,069,171.20/415,621,436.61 = 201,913,647.54/x
  3. Step 3: Cross multiply
    301,069,171.20x = 415,621,436.61 × 201,913,647.54
  4. Step 4: Simplify right side
    301,069,171.20x = 83,919,640,261,739,984
  5. Step 5: Solve for x
    x = 83,919,640,261,739,984/301,069,171.20
  6. Step 6: Final answer
    x = 278,738,736.11

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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.