Finding the Fourth Proportional to 84,602,883.75, 126,904,763.54 and 38,512,519.94
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Solution
The fourth proportional to 84,602,883.75, 126,904,763.54 and 38,512,519.94 is: 57,768,979.26
Step by Step Solution
- Step 1: Write the proportion equation
84,602,883.75 : 126,904,763.54 = 38,512,519.94 : x - Step 2: Convert to fraction form
84,602,883.75/126,904,763.54 = 38,512,519.94/x - Step 3: Cross multiply
84,602,883.75x = 126,904,763.54 × 38,512,519.94 - Step 4: Simplify right side
84,602,883.75x = 4,887,422,236,728,779 - Step 5: Solve for x
x = 4,887,422,236,728,779/84,602,883.75 - Step 6: Final answer
x = 57,768,979.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.