Finding the Fourth Proportional to 53,166,639.57, 79,599,566.16 and 28,182,120.99
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Solution
The fourth proportional to 53,166,639.57, 79,599,566.16 and 28,182,120.99 is: 42,193,462.34
Step by Step Solution
- Step 1: Write the proportion equation
53,166,639.57 : 79,599,566.16 = 28,182,120.99 : x - Step 2: Convert to fraction form
53,166,639.57/79,599,566.16 = 28,182,120.99/x - Step 3: Cross multiply
53,166,639.57x = 79,599,566.16 × 28,182,120.99 - Step 4: Simplify right side
53,166,639.57x = 2,243,284,604,526,920.25 - Step 5: Solve for x
x = 2,243,284,604,526,920.25/53,166,639.57 - Step 6: Final answer
x = 42,193,462.34
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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.