Home / 257,699,191.12-355,621,894.39-140,222,497.32

Finding the Fourth Proportional to 257,699,191.12, 355,621,894.39 and 140,222,497.32

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Solution

The fourth proportional to 257,699,191.12, 355,621,894.39 and 140,222,497.32 is: 193,505,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,699,191.12 : 355,621,894.39 = 140,222,497.32 : x
  2. Step 2: Convert to fraction form
    257,699,191.12/355,621,894.39 = 140,222,497.32/x
  3. Step 3: Cross multiply
    257,699,191.12x = 355,621,894.39 × 140,222,497.32
  4. Step 4: Simplify right side
    257,699,191.12x = 49,866,190,130,555,872
  5. Step 5: Solve for x
    x = 49,866,190,130,555,872/257,699,191.12
  6. Step 6: Final answer
    x = 193,505,419.69

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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.