Finding the Fourth Proportional to 129,261,867,422.54, 193,724,620,410.97 and 52,594,965,267.26
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Solution
The fourth proportional to 129,261,867,422.54, 193,724,620,410.97 and 52,594,965,267.26 is: 78,824,017,361.75
Step by Step Solution
- Step 1: Write the proportion equation
129,261,867,422.54 : 193,724,620,410.97 = 52,594,965,267.26 : x - Step 2: Convert to fraction form
129,261,867,422.54/193,724,620,410.97 = 52,594,965,267.26/x - Step 3: Cross multiply
129,261,867,422.54x = 193,724,620,410.97 × 52,594,965,267.26 - Step 4: Simplify right side
129,261,867,422.54x = 10,188,939,681,927,125,794,816 - Step 5: Solve for x
x = 10,188,939,681,927,125,794,816/129,261,867,422.54 - Step 6: Final answer
x = 78,824,017,361.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.