Home / 257,699,192.37-355,621,896.11-140,222,498.57

Finding the Fourth Proportional to 257,699,192.37, 355,621,896.11 and 140,222,498.57

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Solution

The fourth proportional to 257,699,192.37, 355,621,896.11 and 140,222,498.57 is: 193,505,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,699,192.37 : 355,621,896.11 = 140,222,498.57 : x
  2. Step 2: Convert to fraction form
    257,699,192.37/355,621,896.11 = 140,222,498.57/x
  3. Step 3: Cross multiply
    257,699,192.37x = 355,621,896.11 × 140,222,498.57
  4. Step 4: Simplify right side
    257,699,192.37x = 49,866,190,817,317,608
  5. Step 5: Solve for x
    x = 49,866,190,817,317,608/257,699,192.37
  6. Step 6: Final answer
    x = 193,505,421.41

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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.