Finding the Fourth Proportional to 163,960,634,998.20, 245,940,952,497.30 and 97,786,451,983.80
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Solution
The fourth proportional to 163,960,634,998.20, 245,940,952,497.30 and 97,786,451,983.80 is: 146,679,677,975.70
Step by Step Solution
- Step 1: Write the proportion equation
163,960,634,998.20 : 245,940,952,497.30 = 97,786,451,983.80 : x - Step 2: Convert to fraction form
163,960,634,998.20/245,940,952,497.30 = 97,786,451,983.80/x - Step 3: Cross multiply
163,960,634,998.20x = 245,940,952,497.30 × 97,786,451,983.80 - Step 4: Simplify right side
163,960,634,998.20x = 24,049,693,142,227,263,422,464 - Step 5: Solve for x
x = 24,049,693,142,227,263,422,464/163,960,634,998.20 - Step 6: Final answer
x = 146,679,677,975.70
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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.