Home / 78,271,583.28-117,367,143.23-41,403,299.94

Finding the Fourth Proportional to 78,271,583.28, 117,367,143.23 and 41,403,299.94

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Solution

The fourth proportional to 78,271,583.28, 117,367,143.23 and 41,403,299.94 is: 62,083,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,271,583.28 : 117,367,143.23 = 41,403,299.94 : x
  2. Step 2: Convert to fraction form
    78,271,583.28/117,367,143.23 = 41,403,299.94/x
  3. Step 3: Cross multiply
    78,271,583.28x = 117,367,143.23 × 41,403,299.94
  4. Step 4: Simplify right side
    78,271,583.28x = 4,859,387,034,252,630
  5. Step 5: Solve for x
    x = 4,859,387,034,252,630/78,271,583.28
  6. Step 6: Final answer
    x = 62,083,668.56

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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.