Home / 199,273,038.58-274,962,736.46-115,621,992.39

Finding the Fourth Proportional to 199,273,038.58, 274,962,736.46 and 115,621,992.39

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Solution

The fourth proportional to 199,273,038.58, 274,962,736.46 and 115,621,992.39 is: 159,538,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,273,038.58 : 274,962,736.46 = 115,621,992.39 : x
  2. Step 2: Convert to fraction form
    199,273,038.58/274,962,736.46 = 115,621,992.39/x
  3. Step 3: Cross multiply
    199,273,038.58x = 274,962,736.46 × 115,621,992.39
  4. Step 4: Simplify right side
    199,273,038.58x = 31,791,739,422,755,496
  5. Step 5: Solve for x
    x = 31,791,739,422,755,496/199,273,038.58
  6. Step 6: Final answer
    x = 159,538,589.11

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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.