Finding the Fourth Proportional to 131,634,601.80, 197,451,902.70 and 63,610,153.80
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Solution
The fourth proportional to 131,634,601.80, 197,451,902.70 and 63,610,153.80 is: 95,415,230.70
Step by Step Solution
- Step 1: Write the proportion equation
131,634,601.80 : 197,451,902.70 = 63,610,153.80 : x - Step 2: Convert to fraction form
131,634,601.80/197,451,902.70 = 63,610,153.80/x - Step 3: Cross multiply
131,634,601.80x = 197,451,902.70 × 63,610,153.80 - Step 4: Simplify right side
131,634,601.80x = 12,559,945,898,849,634 - Step 5: Solve for x
x = 12,559,945,898,849,634/131,634,601.80 - Step 6: Final answer
x = 95,415,230.70
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1.5x scale
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.