Finding the Fourth Proportional to 102,796,840.88, 141,864,090.36 and 61,535,751.92
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Solution
The fourth proportional to 102,796,840.88, 141,864,090.36 and 61,535,751.92 is: 84,922,001.45
Step by Step Solution
- Step 1: Write the proportion equation
102,796,840.88 : 141,864,090.36 = 61,535,751.92 : x - Step 2: Convert to fraction form
102,796,840.88/141,864,090.36 = 61,535,751.92/x - Step 3: Cross multiply
102,796,840.88x = 141,864,090.36 × 61,535,751.92 - Step 4: Simplify right side
102,796,840.88x = 8,729,713,470,749,425 - Step 5: Solve for x
x = 8,729,713,470,749,425/102,796,840.88 - Step 6: Final answer
x = 84,922,001.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.