Finding the Fourth Proportional to 107,660,629.20, 161,528,268.60 and 47,119,803.60
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Solution
The fourth proportional to 107,660,629.20, 161,528,268.60 and 47,119,803.60 is: 70,696,041.34
Step by Step Solution
- Step 1: Write the proportion equation
107,660,629.20 : 161,528,268.60 = 47,119,803.60 : x - Step 2: Convert to fraction form
107,660,629.20/161,528,268.60 = 47,119,803.60/x - Step 3: Cross multiply
107,660,629.20x = 161,528,268.60 × 47,119,803.60 - Step 4: Simplify right side
107,660,629.20x = 7,611,180,292,280,047 - Step 5: Solve for x
x = 7,611,180,292,280,047/107,660,629.20 - Step 6: Final answer
x = 70,696,041.34
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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.