Finding the Fourth Proportional to 204,933,967.08, 307,400,709.70 and 66,759,348.09
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Solution
The fourth proportional to 204,933,967.08, 307,400,709.70 and 66,759,348.09 is: 100,138,943.65
Step by Step Solution
- Step 1: Write the proportion equation
204,933,967.08 : 307,400,709.70 = 66,759,348.09 : x - Step 2: Convert to fraction form
204,933,967.08/307,400,709.70 = 66,759,348.09/x - Step 3: Cross multiply
204,933,967.08x = 307,400,709.70 × 66,759,348.09 - Step 4: Simplify right side
204,933,967.08x = 20,521,870,980,438,336 - Step 5: Solve for x
x = 20,521,870,980,438,336/204,933,967.08 - Step 6: Final answer
x = 100,138,943.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.