Finding the Fourth Proportional to 87,734,938.96, 121,077,998.16 and 48,576,715.42
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Solution
The fourth proportional to 87,734,938.96, 121,077,998.16 and 48,576,715.42 is: 67,037,961.50
Step by Step Solution
- Step 1: Write the proportion equation
87,734,938.96 : 121,077,998.16 = 48,576,715.42 : x - Step 2: Convert to fraction form
87,734,938.96/121,077,998.16 = 48,576,715.42/x - Step 3: Cross multiply
87,734,938.96x = 121,077,998.16 × 48,576,715.42 - Step 4: Simplify right side
87,734,938.96x = 5,881,571,460,241,604 - Step 5: Solve for x
x = 5,881,571,460,241,604/87,734,938.96 - Step 6: Final answer
x = 67,037,961.50
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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.