Finding the Fourth Proportional to 145,951,441.20, 218,927,161.80 and 48,874,885.20
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Solution
The fourth proportional to 145,951,441.20, 218,927,161.80 and 48,874,885.20 is: 73,312,327.80
Step by Step Solution
- Step 1: Write the proportion equation
145,951,441.20 : 218,927,161.80 = 48,874,885.20 : x - Step 2: Convert to fraction form
145,951,441.20/218,927,161.80 = 48,874,885.20/x - Step 3: Cross multiply
145,951,441.20x = 218,927,161.80 × 48,874,885.20 - Step 4: Simplify right side
145,951,441.20x = 10,700,039,900,136,826 - Step 5: Solve for x
x = 10,700,039,900,136,826/145,951,441.20 - Step 6: Final answer
x = 73,312,327.80
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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.