Home / 71,467,214.46-98,645,880.97-42,108,033.43

Finding the Fourth Proportional to 71,467,214.46, 98,645,880.97 and 42,108,033.43

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Solution

The fourth proportional to 71,467,214.46, 98,645,880.97 and 42,108,033.43 is: 58,121,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,467,214.46 : 98,645,880.97 = 42,108,033.43 : x
  2. Step 2: Convert to fraction form
    71,467,214.46/98,645,880.97 = 42,108,033.43/x
  3. Step 3: Cross multiply
    71,467,214.46x = 98,645,880.97 × 42,108,033.43
  4. Step 4: Simplify right side
    71,467,214.46x = 4,153,784,053,555,645.50
  5. Step 5: Solve for x
    x = 4,153,784,053,555,645.50/71,467,214.46
  6. Step 6: Final answer
    x = 58,121,532.86

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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.