Finding the Fourth Proportional to 80,861,990.53, 121,305,526.53 and 34,175,672.81
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Solution
The fourth proportional to 80,861,990.53, 121,305,526.53 and 34,175,672.81 is: 51,268,809.45
Step by Step Solution
- Step 1: Write the proportion equation
80,861,990.53 : 121,305,526.53 = 34,175,672.81 : x - Step 2: Convert to fraction form
80,861,990.53/121,305,526.53 = 34,175,672.81/x - Step 3: Cross multiply
80,861,990.53x = 121,305,526.53 × 34,175,672.81 - Step 4: Simplify right side
80,861,990.53x = 4,145,697,984,127,527 - Step 5: Solve for x
x = 4,145,697,984,127,527/80,861,990.53 - Step 6: Final answer
x = 51,268,809.45
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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.