Finding the Fourth Proportional to 168,341,659.20, 252,512,488.80 and 163,302,811.20
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Solution
The fourth proportional to 168,341,659.20, 252,512,488.80 and 163,302,811.20 is: 244,954,216.80
Step by Step Solution
- Step 1: Write the proportion equation
168,341,659.20 : 252,512,488.80 = 163,302,811.20 : x - Step 2: Convert to fraction form
168,341,659.20/252,512,488.80 = 163,302,811.20/x - Step 3: Cross multiply
168,341,659.20x = 252,512,488.80 × 163,302,811.20 - Step 4: Simplify right side
168,341,659.20x = 41,235,999,284,148,512 - Step 5: Solve for x
x = 41,235,999,284,148,512/168,341,659.20 - Step 6: Final answer
x = 244,954,216.80
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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.