Finding the Fourth Proportional to 151,351,197.84, 208,864,644.96 and 81,736,572
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Solution
The fourth proportional to 151,351,197.84, 208,864,644.96 and 81,736,572 is: 112,796,465.01
Step by Step Solution
- Step 1: Write the proportion equation
151,351,197.84 : 208,864,644.96 = 81,736,572 : x - Step 2: Convert to fraction form
151,351,197.84/208,864,644.96 = 81,736,572/x - Step 3: Cross multiply
151,351,197.84x = 208,864,644.96 × 81,736,572 - Step 4: Simplify right side
151,351,197.84x = 17,071,880,091,027,478 - Step 5: Solve for x
x = 17,071,880,091,027,478/151,351,197.84 - Step 6: Final answer
x = 112,796,465.01
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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.