Finding the Fourth Proportional to 64,965,859.54, 97,416,364.29 and 21,240,922.48
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Solution
The fourth proportional to 64,965,859.54, 97,416,364.29 and 21,240,922.48 is: 31,850,782.19
Step by Step Solution
- Step 1: Write the proportion equation
64,965,859.54 : 97,416,364.29 = 21,240,922.48 : x - Step 2: Convert to fraction form
64,965,859.54/97,416,364.29 = 21,240,922.48/x - Step 3: Cross multiply
64,965,859.54x = 97,416,364.29 × 21,240,922.48 - Step 4: Simplify right side
64,965,859.54x = 2,069,213,442,167,330.50 - Step 5: Solve for x
x = 2,069,213,442,167,330.50/64,965,859.54 - Step 6: Final answer
x = 31,850,782.19
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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.