Finding the Fourth Proportional to 81,519,629.36, 112,497,978.48 and 44,350,119.32
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Solution
The fourth proportional to 81,519,629.36, 112,497,978.48 and 44,350,119.32 is: 61,203,648.84
Step by Step Solution
- Step 1: Write the proportion equation
81,519,629.36 : 112,497,978.48 = 44,350,119.32 : x - Step 2: Convert to fraction form
81,519,629.36/112,497,978.48 = 44,350,119.32/x - Step 3: Cross multiply
81,519,629.36x = 112,497,978.48 × 44,350,119.32 - Step 4: Simplify right side
81,519,629.36x = 4,989,298,768,846,792 - Step 5: Solve for x
x = 4,989,298,768,846,792/81,519,629.36 - Step 6: Final answer
x = 61,203,648.84
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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.