Finding the Fourth Proportional to 299,657,787.36, 449,522,664.48 and 105,529,053.12
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Solution
The fourth proportional to 299,657,787.36, 449,522,664.48 and 105,529,053.12 is: 158,306,251.80
Step by Step Solution
- Step 1: Write the proportion equation
299,657,787.36 : 449,522,664.48 = 105,529,053.12 : x - Step 2: Convert to fraction form
299,657,787.36/449,522,664.48 = 105,529,053.12/x - Step 3: Cross multiply
299,657,787.36x = 449,522,664.48 × 105,529,053.12 - Step 4: Simplify right side
299,657,787.36x = 47,437,701,138,553,864 - Step 5: Solve for x
x = 47,437,701,138,553,864/299,657,787.36 - Step 6: Final answer
x = 158,306,251.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.