Finding the Fourth Proportional to 90,204,773.20, 124,482,586.99 and 48,951,665.58
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Solution
The fourth proportional to 90,204,773.20, 124,482,586.99 and 48,951,665.58 is: 67,553,298.48
Step by Step Solution
- Step 1: Write the proportion equation
90,204,773.20 : 124,482,586.99 = 48,951,665.58 : x - Step 2: Convert to fraction form
90,204,773.20/124,482,586.99 = 48,951,665.58/x - Step 3: Cross multiply
90,204,773.20x = 124,482,586.99 × 48,951,665.58 - Step 4: Simplify right side
90,204,773.20x = 6,093,629,968,641,087 - Step 5: Solve for x
x = 6,093,629,968,641,087/90,204,773.20 - Step 6: Final answer
x = 67,553,298.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.