Finding the Fourth Proportional to 215,037,454.80, 322,557,348.60 and 53,479,390.80
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Solution
The fourth proportional to 215,037,454.80, 322,557,348.60 and 53,479,390.80 is: 80,219,376.28
Step by Step Solution
- Step 1: Write the proportion equation
215,037,454.80 : 322,557,348.60 = 53,479,390.80 : x - Step 2: Convert to fraction form
215,037,454.80/322,557,348.60 = 53,479,390.80/x - Step 3: Cross multiply
215,037,454.80x = 322,557,348.60 × 53,479,390.80 - Step 4: Simplify right side
215,037,454.80x = 17,250,170,501,191,234 - Step 5: Solve for x
x = 17,250,170,501,191,234/215,037,454.80 - Step 6: Final answer
x = 80,219,376.28
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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.