Home / 66,290,615.80-91,464,915.49-43,656,652.25

Finding the Fourth Proportional to 66,290,615.80, 91,464,915.49 and 43,656,652.25

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Solution

The fourth proportional to 66,290,615.80, 91,464,915.49 and 43,656,652.25 is: 60,235,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290,615.80 : 91,464,915.49 = 43,656,652.25 : x
  2. Step 2: Convert to fraction form
    66,290,615.80/91,464,915.49 = 43,656,652.25/x
  3. Step 3: Cross multiply
    66,290,615.80x = 91,464,915.49 × 43,656,652.25
  4. Step 4: Simplify right side
    66,290,615.80x = 3,993,052,008,399,095.50
  5. Step 5: Solve for x
    x = 3,993,052,008,399,095.50/66,290,615.80
  6. Step 6: Final answer
    x = 60,235,554.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.