Finding the Fourth Proportional to 272,914,981.03, 376,804,468.70 and 161,441,632.99
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Solution
The fourth proportional to 272,914,981.03, 376,804,468.70 and 161,441,632.99 is: 222,896,993.47
Step by Step Solution
- Step 1: Write the proportion equation
272,914,981.03 : 376,804,468.70 = 161,441,632.99 : x - Step 2: Convert to fraction form
272,914,981.03/376,804,468.70 = 161,441,632.99/x - Step 3: Cross multiply
272,914,981.03x = 376,804,468.70 × 161,441,632.99 - Step 4: Simplify right side
272,914,981.03x = 60,831,928,744,857,344 - Step 5: Solve for x
x = 60,831,928,744,857,344/272,914,981.03 - Step 6: Final answer
x = 222,896,993.47
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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.