Finding the Fourth Proportional to 145,635,268.70, 218,452,903.05 and 37,929,892.70
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Solution
The fourth proportional to 145,635,268.70, 218,452,903.05 and 37,929,892.70 is: 56,894,839.05
Step by Step Solution
- Step 1: Write the proportion equation
145,635,268.70 : 218,452,903.05 = 37,929,892.70 : x - Step 2: Convert to fraction form
145,635,268.70/218,452,903.05 = 37,929,892.70/x - Step 3: Cross multiply
145,635,268.70x = 218,452,903.05 × 37,929,892.70 - Step 4: Simplify right side
145,635,268.70x = 8,285,895,172,690,004 - Step 5: Solve for x
x = 8,285,895,172,690,004/145,635,268.70 - Step 6: Final answer
x = 56,894,839.05
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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.