Finding the Fourth Proportional to 151,851,467.16, 209,553,907.14 and 82,235,233.08
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Solution
The fourth proportional to 151,851,467.16, 209,553,907.14 and 82,235,233.08 is: 113,484,016.45
Step by Step Solution
- Step 1: Write the proportion equation
151,851,467.16 : 209,553,907.14 = 82,235,233.08 : x - Step 2: Convert to fraction form
151,851,467.16/209,553,907.14 = 82,235,233.08/x - Step 3: Cross multiply
151,851,467.16x = 209,553,907.14 × 82,235,233.08 - Step 4: Simplify right side
151,851,467.16x = 17,232,714,396,482,574 - Step 5: Solve for x
x = 17,232,714,396,482,574/151,851,467.16 - Step 6: Final answer
x = 113,484,016.45
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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.