Home / 78,060,331.44-117,012,552.48-52,174,435.68

Finding the Fourth Proportional to 78,060,331.44, 117,012,552.48 and 52,174,435.68

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Solution

The fourth proportional to 78,060,331.44, 117,012,552.48 and 52,174,435.68 is: 78,209,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,060,331.44 : 117,012,552.48 = 52,174,435.68 : x
  2. Step 2: Convert to fraction form
    78,060,331.44/117,012,552.48 = 52,174,435.68/x
  3. Step 3: Cross multiply
    78,060,331.44x = 117,012,552.48 × 52,174,435.68
  4. Step 4: Simplify right side
    78,060,331.44x = 6,105,063,893,120,385
  5. Step 5: Solve for x
    x = 6,105,063,893,120,385/78,060,331.44
  6. Step 6: Final answer
    x = 78,209,556.38

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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.