Home / 82,715,455.80-124,073,183.70-46,435,750.20

Finding the Fourth Proportional to 82,715,455.80, 124,073,183.70 and 46,435,750.20

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Solution

The fourth proportional to 82,715,455.80, 124,073,183.70 and 46,435,750.20 is: 69,653,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,455.80 : 124,073,183.70 = 46,435,750.20 : x
  2. Step 2: Convert to fraction form
    82,715,455.80/124,073,183.70 = 46,435,750.20/x
  3. Step 3: Cross multiply
    82,715,455.80x = 124,073,183.70 × 46,435,750.20
  4. Step 4: Simplify right side
    82,715,455.80x = 5,761,431,364,811,912
  5. Step 5: Solve for x
    x = 5,761,431,364,811,912/82,715,455.80
  6. Step 6: Final answer
    x = 69,653,625.30

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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.