Finding the Fourth Proportional to 147,822,350.79, 203,996,165.23 and 81,747,294.36
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Solution
The fourth proportional to 147,822,350.79, 203,996,165.23 and 81,747,294.36 is: 112,811,996.81
Step by Step Solution
- Step 1: Write the proportion equation
147,822,350.79 : 203,996,165.23 = 81,747,294.36 : x - Step 2: Convert to fraction form
147,822,350.79/203,996,165.23 = 81,747,294.36/x - Step 3: Cross multiply
147,822,350.79x = 203,996,165.23 × 81,747,294.36 - Step 4: Simplify right side
147,822,350.79x = 16,676,134,566,245,786 - Step 5: Solve for x
x = 16,676,134,566,245,786/147,822,350.79 - Step 6: Final answer
x = 112,811,996.81
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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.