Finding the Fourth Proportional to 251,279,957,993.85, 346,765,869,816.66 and 137,094,656,336.46
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Solution
The fourth proportional to 251,279,957,993.85, 346,765,869,816.66 and 137,094,656,336.46 is: 189,190,368,110.82
Step by Step Solution
- Step 1: Write the proportion equation
251,279,957,993.85 : 346,765,869,816.66 = 137,094,656,336.46 : x - Step 2: Convert to fraction form
251,279,957,993.85/346,765,869,816.66 = 137,094,656,336.46/x - Step 3: Cross multiply
251,279,957,993.85x = 346,765,869,816.66 × 137,094,656,336.46 - Step 4: Simplify right side
251,279,957,993.85x = 47,539,747,751,728,628,367,360 - Step 5: Solve for x
x = 47,539,747,751,728,628,367,360/251,279,957,993.85 - Step 6: Final answer
x = 189,190,368,110.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.