Finding the Fourth Proportional to 164,589,936.18, 226,914,385.65 and 130,754,760.80
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Solution
The fourth proportional to 164,589,936.18, 226,914,385.65 and 130,754,760.80 is: 180,267,013.32
Step by Step Solution
- Step 1: Write the proportion equation
164,589,936.18 : 226,914,385.65 = 130,754,760.80 : x - Step 2: Convert to fraction form
164,589,936.18/226,914,385.65 = 130,754,760.80/x - Step 3: Cross multiply
164,589,936.18x = 226,914,385.65 × 130,754,760.80 - Step 4: Simplify right side
164,589,936.18x = 29,670,136,216,854,644 - Step 5: Solve for x
x = 29,670,136,216,854,644/164,589,936.18 - Step 6: Final answer
x = 180,267,013.32
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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.