Finding the Fourth Proportional to 76,477,716.29, 105,539,263.64 and 41,670,406.62
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Solution
The fourth proportional to 76,477,716.29, 105,539,263.64 and 41,670,406.62 is: 57,505,169.40
Step by Step Solution
- Step 1: Write the proportion equation
76,477,716.29 : 105,539,263.64 = 41,670,406.62 : x - Step 2: Convert to fraction form
76,477,716.29/105,539,263.64 = 41,670,406.62/x - Step 3: Cross multiply
76,477,716.29x = 105,539,263.64 × 41,670,406.62 - Step 4: Simplify right side
76,477,716.29x = 4,397,864,030,254,181 - Step 5: Solve for x
x = 4,397,864,030,254,181/76,477,716.29 - Step 6: Final answer
x = 57,505,169.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.