Finding the Fourth Proportional to 143,946,864.14, 198,440,063.98 and 102,622,011.98
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Solution
The fourth proportional to 143,946,864.14, 198,440,063.98 and 102,622,011.98 is: 141,471,082.02
Step by Step Solution
- Step 1: Write the proportion equation
143,946,864.14 : 198,440,063.98 = 102,622,011.98 : x - Step 2: Convert to fraction form
143,946,864.14/198,440,063.98 = 102,622,011.98/x - Step 3: Cross multiply
143,946,864.14x = 198,440,063.98 × 102,622,011.98 - Step 4: Simplify right side
143,946,864.14x = 20,364,318,623,067,528 - Step 5: Solve for x
x = 20,364,318,623,067,528/143,946,864.14 - Step 6: Final answer
x = 141,471,082.02
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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.