Finding the Fourth Proportional to 102,035,149.97, 140,807,162.26 and 57,381,108.82
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Solution
The fourth proportional to 102,035,149.97, 140,807,162.26 and 57,381,108.82 is: 79,185,173.95
Step by Step Solution
- Step 1: Write the proportion equation
102,035,149.97 : 140,807,162.26 = 57,381,108.82 : x - Step 2: Convert to fraction form
102,035,149.97/140,807,162.26 = 57,381,108.82/x - Step 3: Cross multiply
102,035,149.97x = 140,807,162.26 × 57,381,108.82 - Step 4: Simplify right side
102,035,149.97x = 8,079,671,099,572,420 - Step 5: Solve for x
x = 8,079,671,099,572,420/102,035,149.97 - Step 6: Final answer
x = 79,185,173.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.