Finding the Fourth Proportional to 239,696,643.00, 330,687,251.59 and 139,207,974.06
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Solution
The fourth proportional to 239,696,643.00, 330,687,251.59 and 139,207,974.06 is: 192,052,344.85
Step by Step Solution
- Step 1: Write the proportion equation
239,696,643.00 : 330,687,251.59 = 139,207,974.06 : x - Step 2: Convert to fraction form
239,696,643.00/330,687,251.59 = 139,207,974.06/x - Step 3: Cross multiply
239,696,643.00x = 330,687,251.59 × 139,207,974.06 - Step 4: Simplify right side
239,696,643.00x = 46,034,302,339,659,976 - Step 5: Solve for x
x = 46,034,302,339,659,976/239,696,643.00 - Step 6: Final answer
x = 192,052,344.85
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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.