Home / 78,052,164.56-117,032,864.73-29,533,766.39

Finding the Fourth Proportional to 78,052,164.56, 117,032,864.73 and 29,533,766.39

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Solution

The fourth proportional to 78,052,164.56, 117,032,864.73 and 29,533,766.39 is: 44,283,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,052,164.56 : 117,032,864.73 = 29,533,766.39 : x
  2. Step 2: Convert to fraction form
    78,052,164.56/117,032,864.73 = 29,533,766.39/x
  3. Step 3: Cross multiply
    78,052,164.56x = 117,032,864.73 × 29,533,766.39
  4. Step 4: Simplify right side
    78,052,164.56x = 3,456,421,286,888,290.50
  5. Step 5: Solve for x
    x = 3,456,421,286,888,290.50/78,052,164.56
  6. Step 6: Final answer
    x = 44,283,477.68

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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.