Home / 259,017,839.60-388,728,235.98-180,786,520.13

Finding the Fourth Proportional to 259,017,839.60, 388,728,235.98 and 180,786,520.13

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Solution

The fourth proportional to 259,017,839.60, 388,728,235.98 and 180,786,520.13 is: 271,320,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,017,839.60 : 388,728,235.98 = 180,786,520.13 : x
  2. Step 2: Convert to fraction form
    259,017,839.60/388,728,235.98 = 180,786,520.13/x
  3. Step 3: Cross multiply
    259,017,839.60x = 388,728,235.98 × 180,786,520.13
  4. Step 4: Simplify right side
    259,017,839.60x = 70,276,825,057,154,024
  5. Step 5: Solve for x
    x = 70,276,825,057,154,024/259,017,839.60
  6. Step 6: Final answer
    x = 271,320,404.68

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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.