Finding the Fourth Proportional to 86,599,184.53, 129,941,456.08 and 40,544,172.13
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Solution
The fourth proportional to 86,599,184.53, 129,941,456.08 and 40,544,172.13 is: 60,836,239.86
Step by Step Solution
- Step 1: Write the proportion equation
86,599,184.53 : 129,941,456.08 = 40,544,172.13 : x - Step 2: Convert to fraction form
86,599,184.53/129,941,456.08 = 40,544,172.13/x - Step 3: Cross multiply
86,599,184.53x = 129,941,456.08 × 40,544,172.13 - Step 4: Simplify right side
86,599,184.53x = 5,268,368,762,130,355 - Step 5: Solve for x
x = 5,268,368,762,130,355/86,599,184.53 - Step 6: Final answer
x = 60,836,239.86
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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.