Finding the Fourth Proportional to 64,965,858.54, 97,416,362.79 and 21,240,921.48
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Solution
The fourth proportional to 64,965,858.54, 97,416,362.79 and 21,240,921.48 is: 31,850,780.69
Step by Step Solution
- Step 1: Write the proportion equation
64,965,858.54 : 97,416,362.79 = 21,240,921.48 : x - Step 2: Convert to fraction form
64,965,858.54/97,416,362.79 = 21,240,921.48/x - Step 3: Cross multiply
64,965,858.54x = 97,416,362.79 × 21,240,921.48 - Step 4: Simplify right side
64,965,858.54x = 2,069,213,312,889,584 - Step 5: Solve for x
x = 2,069,213,312,889,584/64,965,858.54 - Step 6: Final answer
x = 31,850,780.69
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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.