Home / 68,553,541.05-94,603,876.38-39,185,504.19

Finding the Fourth Proportional to 68,553,541.05, 94,603,876.38 and 39,185,504.19

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Solution

The fourth proportional to 68,553,541.05, 94,603,876.38 and 39,185,504.19 is: 54,075,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,553,541.05 : 94,603,876.38 = 39,185,504.19 : x
  2. Step 2: Convert to fraction form
    68,553,541.05/94,603,876.38 = 39,185,504.19/x
  3. Step 3: Cross multiply
    68,553,541.05x = 94,603,876.38 × 39,185,504.19
  4. Step 4: Simplify right side
    68,553,541.05x = 3,707,100,594,278,731.50
  5. Step 5: Solve for x
    x = 3,707,100,594,278,731.50/68,553,541.05
  6. Step 6: Final answer
    x = 54,075,989.91

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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.