Home / 82,879,774.20-124,080,512.85-73,313,836.20

Finding the Fourth Proportional to 82,879,774.20, 124,080,512.85 and 73,313,836.20

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Solution

The fourth proportional to 82,879,774.20, 124,080,512.85 and 73,313,836.20 is: 109,759,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879,774.20 : 124,080,512.85 = 73,313,836.20 : x
  2. Step 2: Convert to fraction form
    82,879,774.20/124,080,512.85 = 73,313,836.20/x
  3. Step 3: Cross multiply
    82,879,774.20x = 124,080,512.85 × 73,313,836.20
  4. Step 4: Simplify right side
    82,879,774.20x = 9,096,818,394,696,896
  5. Step 5: Solve for x
    x = 9,096,818,394,696,896/82,879,774.20
  6. Step 6: Final answer
    x = 109,759,208.23

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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.