Home / 66,912,364.20-100,368,546.30-36,301,362.60

Finding the Fourth Proportional to 66,912,364.20, 100,368,546.30 and 36,301,362.60

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Solution

The fourth proportional to 66,912,364.20, 100,368,546.30 and 36,301,362.60 is: 54,452,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912,364.20 : 100,368,546.30 = 36,301,362.60 : x
  2. Step 2: Convert to fraction form
    66,912,364.20/100,368,546.30 = 36,301,362.60/x
  3. Step 3: Cross multiply
    66,912,364.20x = 100,368,546.30 × 36,301,362.60
  4. Step 4: Simplify right side
    66,912,364.20x = 3,643,514,992,871,188.50
  5. Step 5: Solve for x
    x = 3,643,514,992,871,188.50/66,912,364.20
  6. Step 6: Final answer
    x = 54,452,043.90

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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.