Home / 66,968,519.24-100,401,684.96-30,551,441.60

Finding the Fourth Proportional to 66,968,519.24, 100,401,684.96 and 30,551,441.60

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Solution

The fourth proportional to 66,968,519.24, 100,401,684.96 and 30,551,441.60 is: 45,803,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968,519.24 : 100,401,684.96 = 30,551,441.60 : x
  2. Step 2: Convert to fraction form
    66,968,519.24/100,401,684.96 = 30,551,441.60/x
  3. Step 3: Cross multiply
    66,968,519.24x = 100,401,684.96 × 30,551,441.60
  4. Step 4: Simplify right side
    66,968,519.24x = 3,067,416,214,597,038.50
  5. Step 5: Solve for x
    x = 3,067,416,214,597,038.50/66,968,519.24
  6. Step 6: Final answer
    x = 45,803,853.06

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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.