Finding the Fourth Proportional to 253,224,929.48, 349,450,402.74 and 137,331,425.48
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Solution
The fourth proportional to 253,224,929.48, 349,450,402.74 and 137,331,425.48 is: 189,517,367.19
Step by Step Solution
- Step 1: Write the proportion equation
253,224,929.48 : 349,450,402.74 = 137,331,425.48 : x - Step 2: Convert to fraction form
253,224,929.48/349,450,402.74 = 137,331,425.48/x - Step 3: Cross multiply
253,224,929.48x = 349,450,402.74 × 137,331,425.48 - Step 4: Simplify right side
253,224,929.48x = 47,990,521,942,844,296 - Step 5: Solve for x
x = 47,990,521,942,844,296/253,224,929.48 - Step 6: Final answer
x = 189,517,367.19
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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.