Finding the Fourth Proportional to 99,677,560.80, 149,544,334.80 and 48,561,247.20
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Solution
The fourth proportional to 99,677,560.80, 149,544,334.80 and 48,561,247.20 is: 72,855,508.82
Step by Step Solution
- Step 1: Write the proportion equation
99,677,560.80 : 149,544,334.80 = 48,561,247.20 : x - Step 2: Convert to fraction form
99,677,560.80/149,544,334.80 = 48,561,247.20/x - Step 3: Cross multiply
99,677,560.80x = 149,544,334.80 × 48,561,247.20 - Step 4: Simplify right side
99,677,560.80x = 7,262,059,409,582,364 - Step 5: Solve for x
x = 7,262,059,409,582,364/99,677,560.80 - Step 6: Final answer
x = 72,855,508.82
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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.