Finding the Fourth Proportional to 87,776,441.01, 121,131,486.39 and 48,620,740.03
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Solution
The fourth proportional to 87,776,441.01, 121,131,486.39 and 48,620,740.03 is: 67,096,620.02
Step by Step Solution
- Step 1: Write the proportion equation
87,776,441.01 : 121,131,486.39 = 48,620,740.03 : x - Step 2: Convert to fraction form
87,776,441.01/121,131,486.39 = 48,620,740.03/x - Step 3: Cross multiply
87,776,441.01x = 121,131,486.39 × 48,620,740.03 - Step 4: Simplify right side
87,776,441.01x = 5,889,502,509,549,415 - Step 5: Solve for x
x = 5,889,502,509,549,415/87,776,441.01 - Step 6: Final answer
x = 67,096,620.02
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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.