Home / 66,103,629.60-99,235,160.55-36,980,662.80

Finding the Fourth Proportional to 66,103,629.60, 99,235,160.55 and 36,980,662.80

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Solution

The fourth proportional to 66,103,629.60, 99,235,160.55 and 36,980,662.80 is: 55,515,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103,629.60 : 99,235,160.55 = 36,980,662.80 : x
  2. Step 2: Convert to fraction form
    66,103,629.60/99,235,160.55 = 36,980,662.80/x
  3. Step 3: Cross multiply
    66,103,629.60x = 99,235,160.55 × 36,980,662.80
  4. Step 4: Simplify right side
    66,103,629.60x = 3,669,782,010,203,412
  5. Step 5: Solve for x
    x = 3,669,782,010,203,412/66,103,629.60
  6. Step 6: Final answer
    x = 55,515,590.18

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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.