Finding the Fourth Proportional to 125,821,530.45, 173,544,269.49 and 83,984,502.06
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Solution
The fourth proportional to 125,821,530.45, 173,544,269.49 and 83,984,502.06 is: 115,838,910.93
Step by Step Solution
- Step 1: Write the proportion equation
125,821,530.45 : 173,544,269.49 = 83,984,502.06 : x - Step 2: Convert to fraction form
125,821,530.45/173,544,269.49 = 83,984,502.06/x - Step 3: Cross multiply
125,821,530.45x = 173,544,269.49 × 83,984,502.06 - Step 4: Simplify right side
125,821,530.45x = 14,575,029,058,484,102 - Step 5: Solve for x
x = 14,575,029,058,484,102/125,821,530.45 - Step 6: Final answer
x = 115,838,910.93
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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.