Finding the Fourth Proportional to 216,514,141.80, 324,771,212.70 and 101,722,885.80
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Solution
The fourth proportional to 216,514,141.80, 324,771,212.70 and 101,722,885.80 is: 152,584,328.70
Step by Step Solution
- Step 1: Write the proportion equation
216,514,141.80 : 324,771,212.70 = 101,722,885.80 : x - Step 2: Convert to fraction form
216,514,141.80/324,771,212.70 = 101,722,885.80/x - Step 3: Cross multiply
216,514,141.80x = 324,771,212.70 × 101,722,885.80 - Step 4: Simplify right side
216,514,141.80x = 33,036,664,980,609,608 - Step 5: Solve for x
x = 33,036,664,980,609,608/216,514,141.80 - Step 6: Final answer
x = 152,584,328.70
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1.5x scale
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.