Finding the Fourth Proportional to 106,071,085.12, 146,379,609.12 and 62,611,021.12
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Solution
The fourth proportional to 106,071,085.12, 146,379,609.12 and 62,611,021.12 is: 86,404,101.44
Step by Step Solution
- Step 1: Write the proportion equation
106,071,085.12 : 146,379,609.12 = 62,611,021.12 : x - Step 2: Convert to fraction form
106,071,085.12/146,379,609.12 = 62,611,021.12/x - Step 3: Cross multiply
106,071,085.12x = 146,379,609.12 × 62,611,021.12 - Step 4: Simplify right side
106,071,085.12x = 9,164,976,798,149,664 - Step 5: Solve for x
x = 9,164,976,798,149,664/106,071,085.12 - Step 6: Final answer
x = 86,404,101.44
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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.