Home / 187,985,107.20-281,977,660.80-171,829,300.80

Finding the Fourth Proportional to 187,985,107.20, 281,977,660.80 and 171,829,300.80

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Solution

The fourth proportional to 187,985,107.20, 281,977,660.80 and 171,829,300.80 is: 257,743,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,985,107.20 : 281,977,660.80 = 171,829,300.80 : x
  2. Step 2: Convert to fraction form
    187,985,107.20/281,977,660.80 = 171,829,300.80/x
  3. Step 3: Cross multiply
    187,985,107.20x = 281,977,660.80 × 171,829,300.80
  4. Step 4: Simplify right side
    187,985,107.20x = 48,452,024,296,483,576
  5. Step 5: Solve for x
    x = 48,452,024,296,483,576/187,985,107.20
  6. Step 6: Final answer
    x = 257,743,951.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.