Finding the Fourth Proportional to 84,602,871.93, 126,904,745.82 and 38,512,508.13
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Solution
The fourth proportional to 84,602,871.93, 126,904,745.82 and 38,512,508.13 is: 57,768,961.54
Step by Step Solution
- Step 1: Write the proportion equation
84,602,871.93 : 126,904,745.82 = 38,512,508.13 : x - Step 2: Convert to fraction form
84,602,871.93/126,904,745.82 = 38,512,508.13/x - Step 3: Cross multiply
84,602,871.93x = 126,904,745.82 × 38,512,508.13 - Step 4: Simplify right side
84,602,871.93x = 4,887,420,055,272,756 - Step 5: Solve for x
x = 4,887,420,055,272,756/84,602,871.93 - Step 6: Final answer
x = 57,768,961.54
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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.