Home / 66,103,629.10-99,235,159.80-36,980,662.30

Finding the Fourth Proportional to 66,103,629.10, 99,235,159.80 and 36,980,662.30

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Solution

The fourth proportional to 66,103,629.10, 99,235,159.80 and 36,980,662.30 is: 55,515,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103,629.10 : 99,235,159.80 = 36,980,662.30 : x
  2. Step 2: Convert to fraction form
    66,103,629.10/99,235,159.80 = 36,980,662.30/x
  3. Step 3: Cross multiply
    66,103,629.10x = 99,235,159.80 × 36,980,662.30
  4. Step 4: Simplify right side
    66,103,629.10x = 3,669,781,932,850,335
  5. Step 5: Solve for x
    x = 3,669,781,932,850,335/66,103,629.10
  6. Step 6: Final answer
    x = 55,515,589.43

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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.