Home / 66,067,219.80-99,100,829.70-43,108,968.60

Finding the Fourth Proportional to 66,067,219.80, 99,100,829.70 and 43,108,968.60

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Solution

The fourth proportional to 66,067,219.80, 99,100,829.70 and 43,108,968.60 is: 64,663,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067,219.80 : 99,100,829.70 = 43,108,968.60 : x
  2. Step 2: Convert to fraction form
    66,067,219.80/99,100,829.70 = 43,108,968.60/x
  3. Step 3: Cross multiply
    66,067,219.80x = 99,100,829.70 × 43,108,968.60
  4. Step 4: Simplify right side
    66,067,219.80x = 4,272,134,555,771,247.50
  5. Step 5: Solve for x
    x = 4,272,134,555,771,247.50/66,067,219.80
  6. Step 6: Final answer
    x = 64,663,452.90

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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.