Finding the Fourth Proportional to 75,410,352.28, 112,958,587.14 and 47,980,771.48
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Solution
The fourth proportional to 75,410,352.28, 112,958,587.14 and 47,980,771.48 is: 71,871,301.39
Step by Step Solution
- Step 1: Write the proportion equation
75,410,352.28 : 112,958,587.14 = 47,980,771.48 : x - Step 2: Convert to fraction form
75,410,352.28/112,958,587.14 = 47,980,771.48/x - Step 3: Cross multiply
75,410,352.28x = 112,958,587.14 × 47,980,771.48 - Step 4: Simplify right side
75,410,352.28x = 5,419,840,156,268,006 - Step 5: Solve for x
x = 5,419,840,156,268,006/75,410,352.28 - Step 6: Final answer
x = 71,871,301.39
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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.