Home / 51,850,955.84-71,555,763.84-28,647,579.20

Finding the Fourth Proportional to 51,850,955.84, 71,555,763.84 and 28,647,579.20

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Solution

The fourth proportional to 51,850,955.84, 71,555,763.84 and 28,647,579.20 is: 39,534,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850,955.84 : 71,555,763.84 = 28,647,579.20 : x
  2. Step 2: Convert to fraction form
    51,850,955.84/71,555,763.84 = 28,647,579.20/x
  3. Step 3: Cross multiply
    51,850,955.84x = 71,555,763.84 × 28,647,579.20
  4. Step 4: Simplify right side
    51,850,955.84x = 2,049,899,411,822,896.25
  5. Step 5: Solve for x
    x = 2,049,899,411,822,896.25/51,850,955.84
  6. Step 6: Final answer
    x = 39,534,457.54

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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.