Finding the Fourth Proportional to 105,297,678.53, 145,304,733.17 and 58,251,979.97
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Solution
The fourth proportional to 105,297,678.53, 145,304,733.17 and 58,251,979.97 is: 80,384,378.12
Step by Step Solution
- Step 1: Write the proportion equation
105,297,678.53 : 145,304,733.17 = 58,251,979.97 : x - Step 2: Convert to fraction form
105,297,678.53/145,304,733.17 = 58,251,979.97/x - Step 3: Cross multiply
105,297,678.53x = 145,304,733.17 × 58,251,979.97 - Step 4: Simplify right side
105,297,678.53x = 8,464,288,405,873,774 - Step 5: Solve for x
x = 8,464,288,405,873,774/105,297,678.53 - Step 6: Final answer
x = 80,384,378.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.