Home / 66,459,568.80-99,620,540.40-36,103,293.60

Finding the Fourth Proportional to 66,459,568.80, 99,620,540.40 and 36,103,293.60

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Solution

The fourth proportional to 66,459,568.80, 99,620,540.40 and 36,103,293.60 is: 54,117,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,459,568.80 : 99,620,540.40 = 36,103,293.60 : x
  2. Step 2: Convert to fraction form
    66,459,568.80/99,620,540.40 = 36,103,293.60/x
  3. Step 3: Cross multiply
    66,459,568.80x = 99,620,540.40 × 36,103,293.60
  4. Step 4: Simplify right side
    66,459,568.80x = 3,596,629,618,651,862
  5. Step 5: Solve for x
    x = 3,596,629,618,651,862/66,459,568.80
  6. Step 6: Final answer
    x = 54,117,558.74

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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.