Home / 66,142,277.64-91,246,885.22-38,628,068.04

Finding the Fourth Proportional to 66,142,277.64, 91,246,885.22 and 38,628,068.04

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Solution

The fourth proportional to 66,142,277.64, 91,246,885.22 and 38,628,068.04 is: 53,289,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,277.64 : 91,246,885.22 = 38,628,068.04 : x
  2. Step 2: Convert to fraction form
    66,142,277.64/91,246,885.22 = 38,628,068.04/x
  3. Step 3: Cross multiply
    66,142,277.64x = 91,246,885.22 × 38,628,068.04
  4. Step 4: Simplify right side
    66,142,277.64x = 3,524,690,890,716,230
  5. Step 5: Solve for x
    x = 3,524,690,890,716,230/66,142,277.64
  6. Step 6: Final answer
    x = 53,289,530.03

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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.