Home / 121,383,404.80-182,075,107.20-82,836,217.60

Finding the Fourth Proportional to 121,383,404.80, 182,075,107.20 and 82,836,217.60

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Solution

The fourth proportional to 121,383,404.80, 182,075,107.20 and 82,836,217.60 is: 124,254,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383,404.80 : 182,075,107.20 = 82,836,217.60 : x
  2. Step 2: Convert to fraction form
    121,383,404.80/182,075,107.20 = 82,836,217.60/x
  3. Step 3: Cross multiply
    121,383,404.80x = 182,075,107.20 × 82,836,217.60
  4. Step 4: Simplify right side
    121,383,404.80x = 15,082,413,199,562,524
  5. Step 5: Solve for x
    x = 15,082,413,199,562,524/121,383,404.80
  6. Step 6: Final answer
    x = 124,254,326.40

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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.