Finding the Fourth Proportional to 52,390,988.79, 71,775,910.73 and 50,427,387
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Solution
The fourth proportional to 52,390,988.79, 71,775,910.73 and 50,427,387 is: 69,085,766.67
Step by Step Solution
- Step 1: Write the proportion equation
52,390,988.79 : 71,775,910.73 = 50,427,387 : x - Step 2: Convert to fraction form
52,390,988.79/71,775,910.73 = 50,427,387/x - Step 3: Cross multiply
52,390,988.79x = 71,775,910.73 × 50,427,387 - Step 4: Simplify right side
52,390,988.79x = 3,619,471,627,407,025.50 - Step 5: Solve for x
x = 3,619,471,627,407,025.50/52,390,988.79 - Step 6: Final answer
x = 69,085,766.67
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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.