Finding the Fourth Proportional to 106,107,987.68, 159,161,967.96 and 29,431,015.52
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Solution
The fourth proportional to 106,107,987.68, 159,161,967.96 and 29,431,015.52 is: 44,146,519.52
Step by Step Solution
- Step 1: Write the proportion equation
106,107,987.68 : 159,161,967.96 = 29,431,015.52 : x - Step 2: Convert to fraction form
106,107,987.68/159,161,967.96 = 29,431,015.52/x - Step 3: Cross multiply
106,107,987.68x = 159,161,967.96 × 29,431,015.52 - Step 4: Simplify right side
106,107,987.68x = 4,684,298,349,224,503 - Step 5: Solve for x
x = 4,684,298,349,224,503/106,107,987.68 - Step 6: Final answer
x = 44,146,519.52
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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.