Finding the Fourth Proportional to 125,192,083.30, 172,565,455.75 and 98,687,213.84
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Solution
The fourth proportional to 125,192,083.30, 172,565,455.75 and 98,687,213.84 is: 136,030,998.00
Step by Step Solution
- Step 1: Write the proportion equation
125,192,083.30 : 172,565,455.75 = 98,687,213.84 : x - Step 2: Convert to fraction form
125,192,083.30/172,565,455.75 = 98,687,213.84/x - Step 3: Cross multiply
125,192,083.30x = 172,565,455.75 × 98,687,213.84 - Step 4: Simplify right side
125,192,083.30x = 17,030,004,032,974,526 - Step 5: Solve for x
x = 17,030,004,032,974,526/125,192,083.30 - Step 6: Final answer
x = 136,030,998.00
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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.