Finding the Fourth Proportional to 163,278,107.19, 225,323,800.11 and 89,939,249.19
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Solution
The fourth proportional to 163,278,107.19, 225,323,800.11 and 89,939,249.19 is: 124,116,170.60
Step by Step Solution
- Step 1: Write the proportion equation
163,278,107.19 : 225,323,800.11 = 89,939,249.19 : x - Step 2: Convert to fraction form
163,278,107.19/225,323,800.11 = 89,939,249.19/x - Step 3: Cross multiply
163,278,107.19x = 225,323,800.11 × 89,939,249.19 - Step 4: Simplify right side
163,278,107.19x = 20,265,453,406,531,040 - Step 5: Solve for x
x = 20,265,453,406,531,040/163,278,107.19 - Step 6: Final answer
x = 124,116,170.60
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1.5x scale
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.