Finding the Fourth Proportional to 217,103,853.02, 325,388,979.42 and 100,361,295.02
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Solution
The fourth proportional to 217,103,853.02, 325,388,979.42 and 100,361,295.02 is: 150,418,607.99
Step by Step Solution
- Step 1: Write the proportion equation
217,103,853.02 : 325,388,979.42 = 100,361,295.02 : x - Step 2: Convert to fraction form
217,103,853.02/325,388,979.42 = 100,361,295.02/x - Step 3: Cross multiply
217,103,853.02x = 325,388,979.42 × 100,361,295.02 - Step 4: Simplify right side
217,103,853.02x = 32,656,459,359,827,328 - Step 5: Solve for x
x = 32,656,459,359,827,328/217,103,853.02 - Step 6: Final answer
x = 150,418,607.99
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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.