Finding the Fourth Proportional to 99,544,235.20, 149,316,352.80 and 82,538,123.20
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Solution
The fourth proportional to 99,544,235.20, 149,316,352.80 and 82,538,123.20 is: 123,807,184.80
Step by Step Solution
- Step 1: Write the proportion equation
99,544,235.20 : 149,316,352.80 = 82,538,123.20 : x - Step 2: Convert to fraction form
99,544,235.20/149,316,352.80 = 82,538,123.20/x - Step 3: Cross multiply
99,544,235.20x = 149,316,352.80 × 82,538,123.20 - Step 4: Simplify right side
99,544,235.20x = 12,324,291,523,181,066 - Step 5: Solve for x
x = 12,324,291,523,181,066/99,544,235.20 - Step 6: Final answer
x = 123,807,184.80
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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.