Finding the Fourth Proportional to 99,387,988.79, 149,098,145.58 and 29,365,322.63
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Solution
The fourth proportional to 99,387,988.79, 149,098,145.58 and 29,365,322.63 is: 44,052,759.30
Step by Step Solution
- Step 1: Write the proportion equation
99,387,988.79 : 149,098,145.58 = 29,365,322.63 : x - Step 2: Convert to fraction form
99,387,988.79/149,098,145.58 = 29,365,322.63/x - Step 3: Cross multiply
99,387,988.79x = 149,098,145.58 × 29,365,322.63 - Step 4: Simplify right side
99,387,988.79x = 4,378,315,147,745,918 - Step 5: Solve for x
x = 4,378,315,147,745,918/99,387,988.79 - Step 6: Final answer
x = 44,052,759.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.