Finding the Fourth Proportional to 115,916,938.80, 173,875,408.20 and 62,169,226.80
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Solution
The fourth proportional to 115,916,938.80, 173,875,408.20 and 62,169,226.80 is: 93,253,840.20
Step by Step Solution
- Step 1: Write the proportion equation
115,916,938.80 : 173,875,408.20 = 62,169,226.80 : x - Step 2: Convert to fraction form
115,916,938.80/173,875,408.20 = 62,169,226.80/x - Step 3: Cross multiply
115,916,938.80x = 173,875,408.20 × 62,169,226.80 - Step 4: Simplify right side
115,916,938.80x = 10,809,699,687,328,378 - Step 5: Solve for x
x = 10,809,699,687,328,378/115,916,938.80 - Step 6: Final answer
x = 93,253,840.20
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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.