Finding the Fourth Proportional to 119,214,463.98, 178,830,208.62 and 31,775,522.94
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Solution
The fourth proportional to 119,214,463.98, 178,830,208.62 and 31,775,522.94 is: 47,665,553.38
Step by Step Solution
- Step 1: Write the proportion equation
119,214,463.98 : 178,830,208.62 = 31,775,522.94 : x - Step 2: Convert to fraction form
119,214,463.98/178,830,208.62 = 31,775,522.94/x - Step 3: Cross multiply
119,214,463.98x = 178,830,208.62 × 31,775,522.94 - Step 4: Simplify right side
119,214,463.98x = 5,682,423,396,369,796 - Step 5: Solve for x
x = 5,682,423,396,369,796/119,214,463.98 - Step 6: Final answer
x = 47,665,553.38
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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.