Finding the Fourth Proportional to 205,119,144.73, 283,053,670.17 and 112,281,869.53
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Solution
The fourth proportional to 205,119,144.73, 283,053,670.17 and 112,281,869.53 is: 154,943,095.66
Step by Step Solution
- Step 1: Write the proportion equation
205,119,144.73 : 283,053,670.17 = 112,281,869.53 : x - Step 2: Convert to fraction form
205,119,144.73/283,053,670.17 = 112,281,869.53/x - Step 3: Cross multiply
205,119,144.73x = 283,053,670.17 × 112,281,869.53 - Step 4: Simplify right side
205,119,144.73x = 31,781,795,264,015,596 - Step 5: Solve for x
x = 31,781,795,264,015,596/205,119,144.73 - Step 6: Final answer
x = 154,943,095.66
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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.