Finding the Fourth Proportional to 51,135,156.72, 70,566,049.80 and 27,930,277.26
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Solution
The fourth proportional to 51,135,156.72, 70,566,049.80 and 27,930,277.26 is: 38,543,527.83
Step by Step Solution
- Step 1: Write the proportion equation
51,135,156.72 : 70,566,049.80 = 27,930,277.26 : x - Step 2: Convert to fraction form
51,135,156.72/70,566,049.80 = 27,930,277.26/x - Step 3: Cross multiply
51,135,156.72x = 70,566,049.80 × 27,930,277.26 - Step 4: Simplify right side
51,135,156.72x = 1,970,929,336,056,967.50 - Step 5: Solve for x
x = 1,970,929,336,056,967.50/51,135,156.72 - Step 6: Final answer
x = 38,543,527.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.