Finding the Fourth Proportional to 342,901,603.75, 473,217,220.48 and 192,197,045.07
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Solution
The fourth proportional to 342,901,603.75, 473,217,220.48 and 192,197,045.07 is: 265,239,212.82
Step by Step Solution
- Step 1: Write the proportion equation
342,901,603.75 : 473,217,220.48 = 192,197,045.07 : x - Step 2: Convert to fraction form
342,901,603.75/473,217,220.48 = 192,197,045.07/x - Step 3: Cross multiply
342,901,603.75x = 473,217,220.48 × 192,197,045.07 - Step 4: Simplify right side
342,901,603.75x = 90,950,951,452,494,688 - Step 5: Solve for x
x = 90,950,951,452,494,688/342,901,603.75 - Step 6: Final answer
x = 265,239,212.82
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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.