Finding the Fourth Proportional to 79,202,782.96, 118,804,269.21 and 21,695,549.92
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Solution
The fourth proportional to 79,202,782.96, 118,804,269.21 and 21,695,549.92 is: 32,543,350.84
Step by Step Solution
- Step 1: Write the proportion equation
79,202,782.96 : 118,804,269.21 = 21,695,549.92 : x - Step 2: Convert to fraction form
79,202,782.96/118,804,269.21 = 21,695,549.92/x - Step 3: Cross multiply
79,202,782.96x = 118,804,269.21 × 21,695,549.92 - Step 4: Simplify right side
79,202,782.96x = 2,577,523,953,354,674 - Step 5: Solve for x
x = 2,577,523,953,354,674/79,202,782.96 - Step 6: Final answer
x = 32,543,350.84
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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.