Finding the Fourth Proportional to 325,103,208.05, 448,642,716.48 and 176,424,329.54
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Solution
The fourth proportional to 325,103,208.05, 448,642,716.48 and 176,424,329.54 is: 243,465,731.80
Step by Step Solution
- Step 1: Write the proportion equation
325,103,208.05 : 448,642,716.48 = 176,424,329.54 : x - Step 2: Convert to fraction form
325,103,208.05/448,642,716.48 = 176,424,329.54/x - Step 3: Cross multiply
325,103,208.05x = 448,642,716.48 × 176,424,329.54 - Step 4: Simplify right side
325,103,208.05x = 79,151,490,459,109,920 - Step 5: Solve for x
x = 79,151,490,459,109,920/325,103,208.05 - Step 6: Final answer
x = 243,465,731.80
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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.