Finding the Fourth Proportional to 168,352,206.80, 252,528,310.20 and 166,084,725.20
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Solution
The fourth proportional to 168,352,206.80, 252,528,310.20 and 166,084,725.20 is: 249,127,087.80
Step by Step Solution
- Step 1: Write the proportion equation
168,352,206.80 : 252,528,310.20 = 166,084,725.20 : x - Step 2: Convert to fraction form
168,352,206.80/252,528,310.20 = 166,084,725.20/x - Step 3: Cross multiply
168,352,206.80x = 252,528,310.20 × 166,084,725.20 - Step 4: Simplify right side
168,352,206.80x = 41,941,095,004,787,352 - Step 5: Solve for x
x = 41,941,095,004,787,352/168,352,206.80 - Step 6: Final answer
x = 249,127,087.80
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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.