Home / 257,699,193.62-355,621,897.83-140,222,499.82

Finding the Fourth Proportional to 257,699,193.62, 355,621,897.83 and 140,222,499.82

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Solution

The fourth proportional to 257,699,193.62, 355,621,897.83 and 140,222,499.82 is: 193,505,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,699,193.62 : 355,621,897.83 = 140,222,499.82 : x
  2. Step 2: Convert to fraction form
    257,699,193.62/355,621,897.83 = 140,222,499.82/x
  3. Step 3: Cross multiply
    257,699,193.62x = 355,621,897.83 × 140,222,499.82
  4. Step 4: Simplify right side
    257,699,193.62x = 49,866,191,504,455,232
  5. Step 5: Solve for x
    x = 49,866,191,504,455,232/257,699,193.62
  6. Step 6: Final answer
    x = 193,505,423.14

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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.