Finding the Fourth Proportional to 177,969,477.84, 245,599,843.98 and 98,585,755.20
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Solution
The fourth proportional to 177,969,477.84, 245,599,843.98 and 98,585,755.20 is: 136,049,430.44
Step by Step Solution
- Step 1: Write the proportion equation
177,969,477.84 : 245,599,843.98 = 98,585,755.20 : x - Step 2: Convert to fraction form
177,969,477.84/245,599,843.98 = 98,585,755.20/x - Step 3: Cross multiply
177,969,477.84x = 245,599,843.98 × 98,585,755.20 - Step 4: Simplify right side
177,969,477.84x = 24,212,646,095,770,472 - Step 5: Solve for x
x = 24,212,646,095,770,472/177,969,477.84 - Step 6: Final answer
x = 136,049,430.44
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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.