Finding the Fourth Proportional to 199,695,787.20, 299,543,680.80 and 48,405,931.20
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Solution
The fourth proportional to 199,695,787.20, 299,543,680.80 and 48,405,931.20 is: 72,608,896.80
Step by Step Solution
- Step 1: Write the proportion equation
199,695,787.20 : 299,543,680.80 = 48,405,931.20 : x - Step 2: Convert to fraction form
199,695,787.20/299,543,680.80 = 48,405,931.20/x - Step 3: Cross multiply
199,695,787.20x = 299,543,680.80 × 48,405,931.20 - Step 4: Simplify right side
199,695,787.20x = 14,499,690,804,199,562 - Step 5: Solve for x
x = 14,499,690,804,199,562/199,695,787.20 - Step 6: Final answer
x = 72,608,896.80
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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.