Finding the Fourth Proportional to 188,873,853.52, 283,393,186.50 and 66,140,260.84
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Solution
The fourth proportional to 188,873,853.52, 283,393,186.50 and 66,140,260.84 is: 99,239,248.45
Step by Step Solution
- Step 1: Write the proportion equation
188,873,853.52 : 283,393,186.50 = 66,140,260.84 : x - Step 2: Convert to fraction form
188,873,853.52/283,393,186.50 = 66,140,260.84/x - Step 3: Cross multiply
188,873,853.52x = 283,393,186.50 × 66,140,260.84 - Step 4: Simplify right side
188,873,853.52x = 18,743,699,275,388,768 - Step 5: Solve for x
x = 18,743,699,275,388,768/188,873,853.52 - Step 6: Final answer
x = 99,239,248.45
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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.