Home / 68,553,543.55-94,603,879.83-39,185,506.69

Finding the Fourth Proportional to 68,553,543.55, 94,603,879.83 and 39,185,506.69

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Solution

The fourth proportional to 68,553,543.55, 94,603,879.83 and 39,185,506.69 is: 54,075,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,553,543.55 : 94,603,879.83 = 39,185,506.69 : x
  2. Step 2: Convert to fraction form
    68,553,543.55/94,603,879.83 = 39,185,506.69/x
  3. Step 3: Cross multiply
    68,553,543.55x = 94,603,879.83 × 39,185,506.69
  4. Step 4: Simplify right side
    68,553,543.55x = 3,707,100,965,978,421
  5. Step 5: Solve for x
    x = 3,707,100,965,978,421/68,553,543.55
  6. Step 6: Final answer
    x = 54,075,993.36

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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.