Finding the Fourth Proportional to 76,876,343.84, 106,089,361.80 and 42,069,032.48
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Solution
The fourth proportional to 76,876,343.84, 106,089,361.80 and 42,069,032.48 is: 58,055,268.82
Step by Step Solution
- Step 1: Write the proportion equation
76,876,343.84 : 106,089,361.80 = 42,069,032.48 : x - Step 2: Convert to fraction form
76,876,343.84/106,089,361.80 = 42,069,032.48/x - Step 3: Cross multiply
76,876,343.84x = 106,089,361.80 × 42,069,032.48 - Step 4: Simplify right side
76,876,343.84x = 4,463,076,807,346,671 - Step 5: Solve for x
x = 4,463,076,807,346,671/76,876,343.84 - Step 6: Final answer
x = 58,055,268.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.