Home / 331,257,078.75-457,132,722.62-180,549,563.73

Finding the Fourth Proportional to 331,257,078.75, 457,132,722.62 and 180,549,563.73

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Solution

The fourth proportional to 331,257,078.75, 457,132,722.62 and 180,549,563.73 is: 249,157,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257,078.75 : 457,132,722.62 = 180,549,563.73 : x
  2. Step 2: Convert to fraction form
    331,257,078.75/457,132,722.62 = 180,549,563.73/x
  3. Step 3: Cross multiply
    331,257,078.75x = 457,132,722.62 × 180,549,563.73
  4. Step 4: Simplify right side
    331,257,078.75x = 82,535,113,634,845,344
  5. Step 5: Solve for x
    x = 82,535,113,634,845,344/331,257,078.75
  6. Step 6: Final answer
    x = 249,157,282.76

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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.