Finding the Fourth Proportional to 268,731,929.70, 370,849,153.56 and 151,257,191.88
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Solution
The fourth proportional to 268,731,929.70, 370,849,153.56 and 151,257,191.88 is: 208,734,412.92
Step by Step Solution
- Step 1: Write the proportion equation
268,731,929.70 : 370,849,153.56 = 151,257,191.88 : x - Step 2: Convert to fraction form
268,731,929.70/370,849,153.56 = 151,257,191.88/x - Step 3: Cross multiply
268,731,929.70x = 370,849,153.56 × 151,257,191.88 - Step 4: Simplify right side
268,731,929.70x = 56,093,601,578,560,504 - Step 5: Solve for x
x = 56,093,601,578,560,504/268,731,929.70 - Step 6: Final answer
x = 208,734,412.92
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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.