Finding the Fourth Proportional to 106,138,405.18, 159,208,499.31 and 29,467,412.38
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Solution
The fourth proportional to 106,138,405.18, 159,208,499.31 and 29,467,412.38 is: 44,201,366.09
Step by Step Solution
- Step 1: Write the proportion equation
106,138,405.18 : 159,208,499.31 = 29,467,412.38 : x - Step 2: Convert to fraction form
106,138,405.18/159,208,499.31 = 29,467,412.38/x - Step 3: Cross multiply
106,138,405.18x = 159,208,499.31 × 29,467,412.38 - Step 4: Simplify right side
106,138,405.18x = 4,691,462,503,568,715 - Step 5: Solve for x
x = 4,691,462,503,568,715/106,138,405.18 - Step 6: Final answer
x = 44,201,366.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.