Finding the Fourth Proportional to 135,432,929.80, 203,149,394.70 and 100,944,814.60
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Solution
The fourth proportional to 135,432,929.80, 203,149,394.70 and 100,944,814.60 is: 151,417,221.90
Step by Step Solution
- Step 1: Write the proportion equation
135,432,929.80 : 203,149,394.70 = 100,944,814.60 : x - Step 2: Convert to fraction form
135,432,929.80/203,149,394.70 = 100,944,814.60/x - Step 3: Cross multiply
135,432,929.80x = 203,149,394.70 × 100,944,814.60 - Step 4: Simplify right side
135,432,929.80x = 20,506,877,984,093,720 - Step 5: Solve for x
x = 20,506,877,984,093,720/135,432,929.80 - Step 6: Final answer
x = 151,417,221.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.