Home / 66,273,032.34-91,378,528.64-45,375,198.66

Finding the Fourth Proportional to 66,273,032.34, 91,378,528.64 and 45,375,198.66

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Solution

The fourth proportional to 66,273,032.34, 91,378,528.64 and 45,375,198.66 is: 62,564,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,273,032.34 : 91,378,528.64 = 45,375,198.66 : x
  2. Step 2: Convert to fraction form
    66,273,032.34/91,378,528.64 = 45,375,198.66/x
  3. Step 3: Cross multiply
    66,273,032.34x = 91,378,528.64 × 45,375,198.66
  4. Step 4: Simplify right side
    66,273,032.34x = 4,146,318,890,298,499.50
  5. Step 5: Solve for x
    x = 4,146,318,890,298,499.50/66,273,032.34
  6. Step 6: Final answer
    x = 62,564,194.57

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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.