Finding the Fourth Proportional to 65,308,232.16, 97,976,519.64 and 19,868,845.68
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Solution
The fourth proportional to 65,308,232.16, 97,976,519.64 and 19,868,845.68 is: 29,807,579.91
Step by Step Solution
- Step 1: Write the proportion equation
65,308,232.16 : 97,976,519.64 = 19,868,845.68 : x - Step 2: Convert to fraction form
65,308,232.16/97,976,519.64 = 19,868,845.68/x - Step 3: Cross multiply
65,308,232.16x = 97,976,519.64 × 19,868,845.68 - Step 4: Simplify right side
65,308,232.16x = 1,946,680,348,990,649.25 - Step 5: Solve for x
x = 1,946,680,348,990,649.25/65,308,232.16 - Step 6: Final answer
x = 29,807,579.91
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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.