Finding the Fourth Proportional to 149,030,264.07, 205,626,583.94 and 125,278,195.94
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Solution
The fourth proportional to 149,030,264.07, 205,626,583.94 and 125,278,195.94 is: 172,854,336.90
Step by Step Solution
- Step 1: Write the proportion equation
149,030,264.07 : 205,626,583.94 = 125,278,195.94 : x - Step 2: Convert to fraction form
149,030,264.07/205,626,583.94 = 125,278,195.94/x - Step 3: Cross multiply
149,030,264.07x = 205,626,583.94 × 125,278,195.94 - Step 4: Simplify right side
149,030,264.07x = 25,760,527,473,580,376 - Step 5: Solve for x
x = 25,760,527,473,580,376/149,030,264.07 - Step 6: Final answer
x = 172,854,336.90
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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.