Finding the Fourth Proportional to 197,836,428.62, 273,046,963.83 and 109,758,803.06
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Solution
The fourth proportional to 197,836,428.62, 273,046,963.83 and 109,758,803.06 is: 151,485,285.79
Step by Step Solution
- Step 1: Write the proportion equation
197,836,428.62 : 273,046,963.83 = 109,758,803.06 : x - Step 2: Convert to fraction form
197,836,428.62/273,046,963.83 = 109,758,803.06/x - Step 3: Cross multiply
197,836,428.62x = 273,046,963.83 × 109,758,803.06 - Step 4: Simplify right side
197,836,428.62x = 29,969,307,929,147,912 - Step 5: Solve for x
x = 29,969,307,929,147,912/197,836,428.62 - Step 6: Final answer
x = 151,485,285.79
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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.