Finding the Fourth Proportional to 381,986,635.08, 572,979,237.12 and 119,691,265.80
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Solution
The fourth proportional to 381,986,635.08, 572,979,237.12 and 119,691,265.80 is: 179,536,674.51
Step by Step Solution
- Step 1: Write the proportion equation
381,986,635.08 : 572,979,237.12 = 119,691,265.80 : x - Step 2: Convert to fraction form
381,986,635.08/572,979,237.12 = 119,691,265.80/x - Step 3: Cross multiply
381,986,635.08x = 572,979,237.12 × 119,691,265.80 - Step 4: Simplify right side
381,986,635.08x = 68,580,610,168,011,144 - Step 5: Solve for x
x = 68,580,610,168,011,144/381,986,635.08 - Step 6: Final answer
x = 179,536,674.51
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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.