Finding the Fourth Proportional to 99,676,564.80, 149,542,840.80 and 48,560,251.20
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Solution
The fourth proportional to 99,676,564.80, 149,542,840.80 and 48,560,251.20 is: 72,854,014.67
Step by Step Solution
- Step 1: Write the proportion equation
99,676,564.80 : 149,542,840.80 = 48,560,251.20 : x - Step 2: Convert to fraction form
99,676,564.80/149,542,840.80 = 48,560,251.20/x - Step 3: Cross multiply
99,676,564.80x = 149,542,840.80 × 48,560,251.20 - Step 4: Simplify right side
99,676,564.80x = 7,261,837,914,409,610 - Step 5: Solve for x
x = 7,261,837,914,409,610/99,676,564.80 - Step 6: Final answer
x = 72,854,014.67
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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.