Home / 78,052,173.50-117,032,878.14-29,533,775.33

Finding the Fourth Proportional to 78,052,173.50, 117,032,878.14 and 29,533,775.33

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Solution

The fourth proportional to 78,052,173.50, 117,032,878.14 and 29,533,775.33 is: 44,283,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,052,173.50 : 117,032,878.14 = 29,533,775.33 : x
  2. Step 2: Convert to fraction form
    78,052,173.50/117,032,878.14 = 29,533,775.33/x
  3. Step 3: Cross multiply
    78,052,173.50x = 117,032,878.14 × 29,533,775.33
  4. Step 4: Simplify right side
    78,052,173.50x = 3,456,422,728,624,864
  5. Step 5: Solve for x
    x = 3,456,422,728,624,864/78,052,173.50
  6. Step 6: Final answer
    x = 44,283,491.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.