Finding the Fourth Proportional to 215,545,758.73, 297,453,266.17 and 116,426,505.54
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Solution
The fourth proportional to 215,545,758.73, 297,453,266.17 and 116,426,505.54 is: 160,668,641.99
Step by Step Solution
- Step 1: Write the proportion equation
215,545,758.73 : 297,453,266.17 = 116,426,505.54 : x - Step 2: Convert to fraction form
215,545,758.73/297,453,266.17 = 116,426,505.54/x - Step 3: Cross multiply
215,545,758.73x = 297,453,266.17 × 116,426,505.54 - Step 4: Simplify right side
215,545,758.73x = 34,631,444,341,632,604 - Step 5: Solve for x
x = 34,631,444,341,632,604/215,545,758.73 - Step 6: Final answer
x = 160,668,641.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.