Finding the Fourth Proportional to 308,057,161.08, 425,071,863.68 and 174,046,179.80
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Solution
The fourth proportional to 308,057,161.08, 425,071,863.68 and 174,046,179.80 is: 240,157,163.54
Step by Step Solution
- Step 1: Write the proportion equation
308,057,161.08 : 425,071,863.68 = 174,046,179.80 : x - Step 2: Convert to fraction form
308,057,161.08/425,071,863.68 = 174,046,179.80/x - Step 3: Cross multiply
308,057,161.08x = 425,071,863.68 × 174,046,179.80 - Step 4: Simplify right side
308,057,161.08x = 73,982,134,013,970,368 - Step 5: Solve for x
x = 73,982,134,013,970,368/308,057,161.08 - Step 6: Final answer
x = 240,157,163.54
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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.