Home / 125,493,052.12-188,269,839.78-43,600,013.08

Finding the Fourth Proportional to 125,493,052.12, 188,269,839.78 and 43,600,013.08

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Solution

The fourth proportional to 125,493,052.12, 188,269,839.78 and 43,600,013.08 is: 65,410,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,493,052.12 : 188,269,839.78 = 43,600,013.08 : x
  2. Step 2: Convert to fraction form
    125,493,052.12/188,269,839.78 = 43,600,013.08/x
  3. Step 3: Cross multiply
    125,493,052.12x = 188,269,839.78 × 43,600,013.08
  4. Step 4: Simplify right side
    125,493,052.12x = 8,208,567,476,977,504
  5. Step 5: Solve for x
    x = 8,208,567,476,977,504/125,493,052.12
  6. Step 6: Final answer
    x = 65,410,533.40

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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.