Finding the Fourth Proportional to 99,576,041.80, 149,364,062.70 and 56,529,320.80
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Solution
The fourth proportional to 99,576,041.80, 149,364,062.70 and 56,529,320.80 is: 84,793,981.20
Step by Step Solution
- Step 1: Write the proportion equation
99,576,041.80 : 149,364,062.70 = 56,529,320.80 : x - Step 2: Convert to fraction form
99,576,041.80/149,364,062.70 = 56,529,320.80/x - Step 3: Cross multiply
99,576,041.80x = 149,364,062.70 × 56,529,320.80 - Step 4: Simplify right side
99,576,041.80x = 8,443,449,016,359,613 - Step 5: Solve for x
x = 8,443,449,016,359,613/99,576,041.80 - Step 6: Final answer
x = 84,793,981.20
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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.