Finding the Fourth Proportional to 52,390,972.68, 71,775,888.64 and 50,427,370.84
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Solution
The fourth proportional to 52,390,972.68, 71,775,888.64 and 50,427,370.84 is: 69,085,744.52
Step by Step Solution
- Step 1: Write the proportion equation
52,390,972.68 : 71,775,888.64 = 50,427,370.84 : x - Step 2: Convert to fraction form
52,390,972.68/71,775,888.64 = 50,427,370.84/x - Step 3: Cross multiply
52,390,972.68x = 71,775,888.64 × 50,427,370.84 - Step 4: Simplify right side
52,390,972.68x = 3,619,469,353,575,445.50 - Step 5: Solve for x
x = 3,619,469,353,575,445.50/52,390,972.68 - Step 6: Final answer
x = 69,085,744.52
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.