Finding the Fourth Proportional to 217,291,497.70, 325,937,246.55 and 166,273,161.70
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Solution
The fourth proportional to 217,291,497.70, 325,937,246.55 and 166,273,161.70 is: 249,409,742.55
Step by Step Solution
- Step 1: Write the proportion equation
217,291,497.70 : 325,937,246.55 = 166,273,161.70 : x - Step 2: Convert to fraction form
217,291,497.70/325,937,246.55 = 166,273,161.70/x - Step 3: Cross multiply
217,291,497.70x = 325,937,246.55 × 166,273,161.70 - Step 4: Simplify right side
217,291,497.70x = 54,194,616,499,660,912 - Step 5: Solve for x
x = 54,194,616,499,660,912/217,291,497.70 - Step 6: Final answer
x = 249,409,742.55
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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.