Home / 82,800,898.60-114,265,689.24-47,515,893.72

Finding the Fourth Proportional to 82,800,898.60, 114,265,689.24 and 47,515,893.72

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Solution

The fourth proportional to 82,800,898.60, 114,265,689.24 and 47,515,893.72 is: 65,572,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,800,898.60 : 114,265,689.24 = 47,515,893.72 : x
  2. Step 2: Convert to fraction form
    82,800,898.60/114,265,689.24 = 47,515,893.72/x
  3. Step 3: Cross multiply
    82,800,898.60x = 114,265,689.24 × 47,515,893.72
  4. Step 4: Simplify right side
    82,800,898.60x = 5,429,436,345,770,387
  5. Step 5: Solve for x
    x = 5,429,436,345,770,387/82,800,898.60
  6. Step 6: Final answer
    x = 65,572,191.09

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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.