Home / 60,190,511.40-90,313,760.70-31,469,077.80

Finding the Fourth Proportional to 60,190,511.40, 90,313,760.70 and 31,469,077.80

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Solution

The fourth proportional to 60,190,511.40, 90,313,760.70 and 31,469,077.80 is: 47,218,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,190,511.40 : 90,313,760.70 = 31,469,077.80 : x
  2. Step 2: Convert to fraction form
    60,190,511.40/90,313,760.70 = 31,469,077.80/x
  3. Step 3: Cross multiply
    60,190,511.40x = 90,313,760.70 × 31,469,077.80
  4. Step 4: Simplify right side
    60,190,511.40x = 2,842,090,761,878,882.50
  5. Step 5: Solve for x
    x = 2,842,090,761,878,882.50/60,190,511.40
  6. Step 6: Final answer
    x = 47,218,252.44

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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.