Finding the Fourth Proportional to 99,674,717.80, 149,540,070.30 and 48,558,404.20
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Solution
The fourth proportional to 99,674,717.80, 149,540,070.30 and 48,558,404.20 is: 72,851,243.91
Step by Step Solution
- Step 1: Write the proportion equation
99,674,717.80 : 149,540,070.30 = 48,558,404.20 : x - Step 2: Convert to fraction form
99,674,717.80/149,540,070.30 = 48,558,404.20/x - Step 3: Cross multiply
99,674,717.80x = 149,540,070.30 × 48,558,404.20 - Step 4: Simplify right side
99,674,717.80x = 7,261,427,177,723,816 - Step 5: Solve for x
x = 7,261,427,177,723,816/99,674,717.80 - Step 6: Final answer
x = 72,851,243.91
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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.