Home / 257,442,901.14-355,268,556.45-191,657,591.22

Finding the Fourth Proportional to 257,442,901.14, 355,268,556.45 and 191,657,591.22

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Solution

The fourth proportional to 257,442,901.14, 355,268,556.45 and 191,657,591.22 is: 264,485,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,442,901.14 : 355,268,556.45 = 191,657,591.22 : x
  2. Step 2: Convert to fraction form
    257,442,901.14/355,268,556.45 = 191,657,591.22/x
  3. Step 3: Cross multiply
    257,442,901.14x = 355,268,556.45 × 191,657,591.22
  4. Step 4: Simplify right side
    257,442,901.14x = 68,089,915,765,413,592
  5. Step 5: Solve for x
    x = 68,089,915,765,413,592/257,442,901.14
  6. Step 6: Final answer
    x = 264,485,505.19

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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.