Home / 203,426,439.40-305,125,662.30-65,250,029.80

Finding the Fourth Proportional to 203,426,439.40, 305,125,662.30 and 65,250,029.80

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Solution

The fourth proportional to 203,426,439.40, 305,125,662.30 and 65,250,029.80 is: 97,870,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426,439.40 : 305,125,662.30 = 65,250,029.80 : x
  2. Step 2: Convert to fraction form
    203,426,439.40/305,125,662.30 = 65,250,029.80/x
  3. Step 3: Cross multiply
    203,426,439.40x = 305,125,662.30 × 65,250,029.80
  4. Step 4: Simplify right side
    203,426,439.40x = 19,909,458,557,819,736
  5. Step 5: Solve for x
    x = 19,909,458,557,819,736/203,426,439.40
  6. Step 6: Final answer
    x = 97,870,555.16

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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.