Finding the Fourth Proportional to 87,894,570.96, 121,294,299.29 and 48,735,340.88
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Solution
The fourth proportional to 87,894,570.96, 121,294,299.29 and 48,735,340.88 is: 67,254,654.72
Step by Step Solution
- Step 1: Write the proportion equation
87,894,570.96 : 121,294,299.29 = 48,735,340.88 : x - Step 2: Convert to fraction form
87,894,570.96/121,294,299.29 = 48,735,340.88/x - Step 3: Cross multiply
87,894,570.96x = 121,294,299.29 × 48,735,340.88 - Step 4: Simplify right side
87,894,570.96x = 5,911,319,021,848,744 - Step 5: Solve for x
x = 5,911,319,021,848,744/87,894,570.96 - Step 6: Final answer
x = 67,254,654.72
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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.