Home / 213,481,081.52-320,247,534.60-60,127,137.88

Finding the Fourth Proportional to 213,481,081.52, 320,247,534.60 and 60,127,137.88

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Solution

The fourth proportional to 213,481,081.52, 320,247,534.60 and 60,127,137.88 is: 90,198,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,481,081.52 : 320,247,534.60 = 60,127,137.88 : x
  2. Step 2: Convert to fraction form
    213,481,081.52/320,247,534.60 = 60,127,137.88/x
  3. Step 3: Cross multiply
    213,481,081.52x = 320,247,534.60 × 60,127,137.88
  4. Step 4: Simplify right side
    213,481,081.52x = 19,255,567,668,624,272
  5. Step 5: Solve for x
    x = 19,255,567,668,624,272/213,481,081.52
  6. Step 6: Final answer
    x = 90,198,005.05

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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.