Finding the Fourth Proportional to 157,464,675.80, 236,197,013.70 and 124,940,486.60
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Solution
The fourth proportional to 157,464,675.80, 236,197,013.70 and 124,940,486.60 is: 187,410,729.90
Step by Step Solution
- Step 1: Write the proportion equation
157,464,675.80 : 236,197,013.70 = 124,940,486.60 : x - Step 2: Convert to fraction form
157,464,675.80/236,197,013.70 = 124,940,486.60/x - Step 3: Cross multiply
157,464,675.80x = 236,197,013.70 × 124,940,486.60 - Step 4: Simplify right side
157,464,675.80x = 29,510,569,825,144,864 - Step 5: Solve for x
x = 29,510,569,825,144,864/157,464,675.80 - Step 6: Final answer
x = 187,410,729.90
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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.