Home / 68,553,533.81-94,603,866.38-39,185,496.94

Finding the Fourth Proportional to 68,553,533.81, 94,603,866.38 and 39,185,496.94

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Solution

The fourth proportional to 68,553,533.81, 94,603,866.38 and 39,185,496.94 is: 54,075,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,553,533.81 : 94,603,866.38 = 39,185,496.94 : x
  2. Step 2: Convert to fraction form
    68,553,533.81/94,603,866.38 = 39,185,496.94/x
  3. Step 3: Cross multiply
    68,553,533.81x = 94,603,866.38 × 39,185,496.94
  4. Step 4: Simplify right side
    68,553,533.81x = 3,707,099,515,876,712.50
  5. Step 5: Solve for x
    x = 3,707,099,515,876,712.50/68,553,533.81
  6. Step 6: Final answer
    x = 54,075,979.90

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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.