Finding the Fourth Proportional to 84,602,881.62, 126,904,760.38 and 38,512,517.82
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Solution
The fourth proportional to 84,602,881.62, 126,904,760.38 and 38,512,517.82 is: 57,768,976.09
Step by Step Solution
- Step 1: Write the proportion equation
84,602,881.62 : 126,904,760.38 = 38,512,517.82 : x - Step 2: Convert to fraction form
84,602,881.62/126,904,760.38 = 38,512,517.82/x - Step 3: Cross multiply
84,602,881.62x = 126,904,760.38 × 38,512,517.82 - Step 4: Simplify right side
84,602,881.62x = 4,887,421,845,577,580 - Step 5: Solve for x
x = 4,887,421,845,577,580/84,602,881.62 - Step 6: Final answer
x = 57,768,976.09
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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.