Finding the Fourth Proportional to 69,858,365.60, 104,688,015.60 and 51,519,447.20
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Solution
The fourth proportional to 69,858,365.60, 104,688,015.60 and 51,519,447.20 is: 77,205,766.92
Step by Step Solution
- Step 1: Write the proportion equation
69,858,365.60 : 104,688,015.60 = 51,519,447.20 : x - Step 2: Convert to fraction form
69,858,365.60/104,688,015.60 = 51,519,447.20/x - Step 3: Cross multiply
69,858,365.60x = 104,688,015.60 × 51,519,447.20 - Step 4: Simplify right side
69,858,365.60x = 5,393,468,692,176,976 - Step 5: Solve for x
x = 5,393,468,692,176,976/69,858,365.60 - Step 6: Final answer
x = 77,205,766.92
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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.