Finding the Fourth Proportional to 153,625,615.26, 212,019,778.62 and 94,126,397.84
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Solution
The fourth proportional to 153,625,615.26, 212,019,778.62 and 94,126,397.84 is: 129,904,495.42
Step by Step Solution
- Step 1: Write the proportion equation
153,625,615.26 : 212,019,778.62 = 94,126,397.84 : x - Step 2: Convert to fraction form
153,625,615.26/212,019,778.62 = 94,126,397.84/x - Step 3: Cross multiply
153,625,615.26x = 212,019,778.62 × 94,126,397.84 - Step 4: Simplify right side
153,625,615.26x = 19,956,658,033,100,212 - Step 5: Solve for x
x = 19,956,658,033,100,212/153,625,615.26 - Step 6: Final answer
x = 129,904,495.42
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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.