Home / 78,430,824.44-117,419,050.82-59,081,540.30

Finding the Fourth Proportional to 78,430,824.44, 117,419,050.82 and 59,081,540.30

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Solution

The fourth proportional to 78,430,824.44, 117,419,050.82 and 59,081,540.30 is: 88,451,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,430,824.44 : 117,419,050.82 = 59,081,540.30 : x
  2. Step 2: Convert to fraction form
    78,430,824.44/117,419,050.82 = 59,081,540.30/x
  3. Step 3: Cross multiply
    78,430,824.44x = 117,419,050.82 × 59,081,540.30
  4. Step 4: Simplify right side
    78,430,824.44x = 6,937,298,382,127,075
  5. Step 5: Solve for x
    x = 6,937,298,382,127,075/78,430,824.44
  6. Step 6: Final answer
    x = 88,451,172.50

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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.