Finding the Fourth Proportional to 147,822,354.28, 203,996,170.04 and 81,747,297.84
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Solution
The fourth proportional to 147,822,354.28, 203,996,170.04 and 81,747,297.84 is: 112,812,001.62
Step by Step Solution
- Step 1: Write the proportion equation
147,822,354.28 : 203,996,170.04 = 81,747,297.84 : x - Step 2: Convert to fraction form
147,822,354.28/203,996,170.04 = 81,747,297.84/x - Step 3: Cross multiply
147,822,354.28x = 203,996,170.04 × 81,747,297.84 - Step 4: Simplify right side
147,822,354.28x = 16,676,135,670,479,164 - Step 5: Solve for x
x = 16,676,135,670,479,164/147,822,354.28 - Step 6: Final answer
x = 112,812,001.62
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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.