Finding the Fourth Proportional to 87,912,343.96, 131,880,642.30 and 51,041,598.12
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Solution
The fourth proportional to 87,912,343.96, 131,880,642.30 and 51,041,598.12 is: 76,569,437.70
Step by Step Solution
- Step 1: Write the proportion equation
87,912,343.96 : 131,880,642.30 = 51,041,598.12 : x - Step 2: Convert to fraction form
87,912,343.96/131,880,642.30 = 51,041,598.12/x - Step 3: Cross multiply
87,912,343.96x = 131,880,642.30 × 51,041,598.12 - Step 4: Simplify right side
87,912,343.96x = 6,731,398,744,084,072 - Step 5: Solve for x
x = 6,731,398,744,084,072/87,912,343.96 - Step 6: Final answer
x = 76,569,437.70
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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.