Finding the Fourth Proportional to 84,437,737.32, 126,738,307.21 and 40,749,250.62
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Solution
The fourth proportional to 84,437,737.32, 126,738,307.21 and 40,749,250.62 is: 61,163,304.56
Step by Step Solution
- Step 1: Write the proportion equation
84,437,737.32 : 126,738,307.21 = 40,749,250.62 : x - Step 2: Convert to fraction form
84,437,737.32/126,738,307.21 = 40,749,250.62/x - Step 3: Cross multiply
84,437,737.32x = 126,738,307.21 × 40,749,250.62 - Step 4: Simplify right side
84,437,737.32x = 5,164,491,043,654,842 - Step 5: Solve for x
x = 5,164,491,043,654,842/84,437,737.32 - Step 6: Final answer
x = 61,163,304.56
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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.