Finding the Fourth Proportional to 115,826,630.89, 174,366,135.06 and 105,518,100.99
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Solution
The fourth proportional to 115,826,630.89, 174,366,135.06 and 105,518,100.99 is: 158,847,609.63
Step by Step Solution
- Step 1: Write the proportion equation
115,826,630.89 : 174,366,135.06 = 105,518,100.99 : x - Step 2: Convert to fraction form
115,826,630.89/174,366,135.06 = 105,518,100.99/x - Step 3: Cross multiply
115,826,630.89x = 174,366,135.06 × 105,518,100.99 - Step 4: Simplify right side
115,826,630.89x = 18,398,783,448,823,124 - Step 5: Solve for x
x = 18,398,783,448,823,124/115,826,630.89 - Step 6: Final answer
x = 158,847,609.63
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.