Finding the Fourth Proportional to 355,679,529.18, 533,444,644.17 and 100,318,177.50
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Solution
The fourth proportional to 355,679,529.18, 533,444,644.17 and 100,318,177.50 is: 150,456,211.59
Step by Step Solution
- Step 1: Write the proportion equation
355,679,529.18 : 533,444,644.17 = 100,318,177.50 : x - Step 2: Convert to fraction form
355,679,529.18/533,444,644.17 = 100,318,177.50/x - Step 3: Cross multiply
355,679,529.18x = 533,444,644.17 × 100,318,177.50 - Step 4: Simplify right side
355,679,529.18x = 53,514,194,500,270,400 - Step 5: Solve for x
x = 53,514,194,500,270,400/355,679,529.18 - Step 6: Final answer
x = 150,456,211.59
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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.