Finding the Fourth Proportional to 124,397,553.38, 171,672,266.24 and 67,885,940.70
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Solution
The fourth proportional to 124,397,553.38, 171,672,266.24 and 67,885,940.70 is: 93,684,585.98
Step by Step Solution
- Step 1: Write the proportion equation
124,397,553.38 : 171,672,266.24 = 67,885,940.70 : x - Step 2: Convert to fraction form
124,397,553.38/171,672,266.24 = 67,885,940.70/x - Step 3: Cross multiply
124,397,553.38x = 171,672,266.24 × 67,885,940.70 - Step 4: Simplify right side
124,397,553.38x = 11,654,133,285,803,254 - Step 5: Solve for x
x = 11,654,133,285,803,254/124,397,553.38 - Step 6: Final answer
x = 93,684,585.98
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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.