Home / 300,557,808.72-450,522,055.03-125,780,980.23

Finding the Fourth Proportional to 300,557,808.72, 450,522,055.03 and 125,780,980.23

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Solution

The fourth proportional to 300,557,808.72, 450,522,055.03 and 125,780,980.23 is: 188,539,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557,808.72 : 450,522,055.03 = 125,780,980.23 : x
  2. Step 2: Convert to fraction form
    300,557,808.72/450,522,055.03 = 125,780,980.23/x
  3. Step 3: Cross multiply
    300,557,808.72x = 450,522,055.03 × 125,780,980.23
  4. Step 4: Simplify right side
    300,557,808.72x = 56,667,105,694,025,880
  5. Step 5: Solve for x
    x = 56,667,105,694,025,880/300,557,808.72
  6. Step 6: Final answer
    x = 188,539,788.52

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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.