Home / 82,454,582.77-113,797,419.32-47,647,273.21

Finding the Fourth Proportional to 82,454,582.77, 113,797,419.32 and 47,647,273.21

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Solution

The fourth proportional to 82,454,582.77, 113,797,419.32 and 47,647,273.21 is: 65,759,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,454,582.77 : 113,797,419.32 = 47,647,273.21 : x
  2. Step 2: Convert to fraction form
    82,454,582.77/113,797,419.32 = 47,647,273.21/x
  3. Step 3: Cross multiply
    82,454,582.77x = 113,797,419.32 × 47,647,273.21
  4. Step 4: Simplify right side
    82,454,582.77x = 5,422,136,728,767,598
  5. Step 5: Solve for x
    x = 5,422,136,728,767,598/82,454,582.77
  6. Step 6: Final answer
    x = 65,759,070.59

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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.