Finding the Fourth Proportional to 88,063,231.64, 121,528,256.29 and 48,371,688.70
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Solution
The fourth proportional to 88,063,231.64, 121,528,256.29 and 48,371,688.70 is: 66,753,477.84
Step by Step Solution
- Step 1: Write the proportion equation
88,063,231.64 : 121,528,256.29 = 48,371,688.70 : x - Step 2: Convert to fraction form
88,063,231.64/121,528,256.29 = 48,371,688.70/x - Step 3: Cross multiply
88,063,231.64x = 121,528,256.29 × 48,371,688.70 - Step 4: Simplify right side
88,063,231.64x = 5,878,526,981,088,947 - Step 5: Solve for x
x = 5,878,526,981,088,947/88,063,231.64 - Step 6: Final answer
x = 66,753,477.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.