Finding the Fourth Proportional to 163,812,118.34, 245,752,687.17 and 53,139,146.67
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Solution
The fourth proportional to 163,812,118.34, 245,752,687.17 and 53,139,146.67 is: 79,719,914.62
Step by Step Solution
- Step 1: Write the proportion equation
163,812,118.34 : 245,752,687.17 = 53,139,146.67 : x - Step 2: Convert to fraction form
163,812,118.34/245,752,687.17 = 53,139,146.67/x - Step 3: Cross multiply
163,812,118.34x = 245,752,687.17 × 53,139,146.67 - Step 4: Simplify right side
163,812,118.34x = 13,059,088,087,350,956 - Step 5: Solve for x
x = 13,059,088,087,350,956/163,812,118.34 - Step 6: Final answer
x = 79,719,914.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.