Finding the Fourth Proportional to 74,592,269.70, 111,888,404.55 and 54,436,877.70
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Solution
The fourth proportional to 74,592,269.70, 111,888,404.55 and 54,436,877.70 is: 81,655,316.55
Step by Step Solution
- Step 1: Write the proportion equation
74,592,269.70 : 111,888,404.55 = 54,436,877.70 : x - Step 2: Convert to fraction form
74,592,269.70/111,888,404.55 = 54,436,877.70/x - Step 3: Cross multiply
74,592,269.70x = 111,888,404.55 × 54,436,877.70 - Step 4: Simplify right side
74,592,269.70x = 6,090,855,394,536,474 - Step 5: Solve for x
x = 6,090,855,394,536,474/74,592,269.70 - Step 6: Final answer
x = 81,655,316.55
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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.