Finding the Fourth Proportional to 99,153,728.36, 136,835,464 and 55,102,583.88
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Solution
The fourth proportional to 99,153,728.36, 136,835,464 and 55,102,583.88 is: 76,043,410.14
Step by Step Solution
- Step 1: Write the proportion equation
99,153,728.36 : 136,835,464 = 55,102,583.88 : x - Step 2: Convert to fraction form
99,153,728.36/136,835,464 = 55,102,583.88/x - Step 3: Cross multiply
99,153,728.36x = 136,835,464 × 55,102,583.88 - Step 4: Simplify right side
99,153,728.36x = 7,539,987,632,818,721 - Step 5: Solve for x
x = 7,539,987,632,818,721/99,153,728.36 - Step 6: Final answer
x = 76,043,410.14
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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.