Finding the Fourth Proportional to 312,138,116.58, 468,067,235.64 and 186,001,683.79
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Solution
The fourth proportional to 312,138,116.58, 468,067,235.64 and 186,001,683.79 is: 278,919,136.53
Step by Step Solution
- Step 1: Write the proportion equation
312,138,116.58 : 468,067,235.64 = 186,001,683.79 : x - Step 2: Convert to fraction form
312,138,116.58/468,067,235.64 = 186,001,683.79/x - Step 3: Cross multiply
312,138,116.58x = 468,067,235.64 × 186,001,683.79 - Step 4: Simplify right side
312,138,116.58x = 87,061,293,955,498,032 - Step 5: Solve for x
x = 87,061,293,955,498,032/312,138,116.58 - Step 6: Final answer
x = 278,919,136.53
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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.