Finding the Fourth Proportional to 161,677,816.75, 223,115,387.12 and 88,338,958.75
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Solution
The fourth proportional to 161,677,816.75, 223,115,387.12 and 88,338,958.75 is: 121,907,763.08
Step by Step Solution
- Step 1: Write the proportion equation
161,677,816.75 : 223,115,387.12 = 88,338,958.75 : x - Step 2: Convert to fraction form
161,677,816.75/223,115,387.12 = 88,338,958.75/x - Step 3: Cross multiply
161,677,816.75x = 223,115,387.12 × 88,338,958.75 - Step 4: Simplify right side
161,677,816.75x = 19,709,780,979,283,960 - Step 5: Solve for x
x = 19,709,780,979,283,960/161,677,816.75 - Step 6: Final answer
x = 121,907,763.08
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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.