Finding the Fourth Proportional to 258,916,714.91, 388,528,299.35 and 95,269,392.36
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Solution
The fourth proportional to 258,916,714.91, 388,528,299.35 and 95,269,392.36 is: 142,960,468.99
Step by Step Solution
- Step 1: Write the proportion equation
258,916,714.91 : 388,528,299.35 = 95,269,392.36 : x - Step 2: Convert to fraction form
258,916,714.91/388,528,299.35 = 95,269,392.36/x - Step 3: Cross multiply
258,916,714.91x = 388,528,299.35 × 95,269,392.36 - Step 4: Simplify right side
258,916,714.91x = 37,014,854,993,738,688 - Step 5: Solve for x
x = 37,014,854,993,738,688/258,916,714.91 - Step 6: Final answer
x = 142,960,468.99
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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.