Finding the Fourth Proportional to 87,776,503.89, 121,131,573.12 and 48,620,803.08
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Solution
The fourth proportional to 87,776,503.89, 121,131,573.12 and 48,620,803.08 is: 67,096,707.00
Step by Step Solution
- Step 1: Write the proportion equation
87,776,503.89 : 121,131,573.12 = 48,620,803.08 : x - Step 2: Convert to fraction form
87,776,503.89/121,131,573.12 = 48,620,803.08/x - Step 3: Cross multiply
87,776,503.89x = 121,131,573.12 × 48,620,803.08 - Step 4: Simplify right side
87,776,503.89x = 5,889,514,363,211,020 - Step 5: Solve for x
x = 5,889,514,363,211,020/87,776,503.89 - Step 6: Final answer
x = 67,096,707.00
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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.