Finding the Fourth Proportional to 173,173,809.50, 259,728,237.29 and 86,889,048.74
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Solution
The fourth proportional to 173,173,809.50, 259,728,237.29 and 86,889,048.74 is: 130,317,277.96
Step by Step Solution
- Step 1: Write the proportion equation
173,173,809.50 : 259,728,237.29 = 86,889,048.74 : x - Step 2: Convert to fraction form
173,173,809.50/259,728,237.29 = 86,889,048.74/x - Step 3: Cross multiply
173,173,809.50x = 259,728,237.29 × 86,889,048.74 - Step 4: Simplify right side
173,173,809.50x = 22,567,539,467,963,676 - Step 5: Solve for x
x = 22,567,539,467,963,676/173,173,809.50 - Step 6: Final answer
x = 130,317,277.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.