Finding the Fourth Proportional to 197,641,643.05, 272,745,493.27 and 109,541,328.65
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Solution
The fourth proportional to 197,641,643.05, 272,745,493.27 and 109,541,328.65 is: 151,167,047.87
Step by Step Solution
- Step 1: Write the proportion equation
197,641,643.05 : 272,745,493.27 = 109,541,328.65 : x - Step 2: Convert to fraction form
197,641,643.05/272,745,493.27 = 109,541,328.65/x - Step 3: Cross multiply
197,641,643.05x = 272,745,493.27 × 109,541,328.65 - Step 4: Simplify right side
197,641,643.05x = 29,876,903,716,095,432 - Step 5: Solve for x
x = 29,876,903,716,095,432/197,641,643.05 - Step 6: Final answer
x = 151,167,047.87
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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.