Finding the Fourth Proportional to 54,415,512.40, 81,711,742.20 and 39,375,000.40
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Solution
The fourth proportional to 54,415,512.40, 81,711,742.20 and 39,375,000.40 is: 59,126,519.99
Step by Step Solution
- Step 1: Write the proportion equation
54,415,512.40 : 81,711,742.20 = 39,375,000.40 : x - Step 2: Convert to fraction form
54,415,512.40/81,711,742.20 = 39,375,000.40/x - Step 3: Cross multiply
54,415,512.40x = 81,711,742.20 × 39,375,000.40 - Step 4: Simplify right side
54,415,512.40x = 3,217,399,881,809,697 - Step 5: Solve for x
x = 3,217,399,881,809,697/54,415,512.40 - Step 6: Final answer
x = 59,126,519.99
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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.