Finding the Fourth Proportional to 87,265,160.76, 120,426,286.86 and 48,106,077.96
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Solution
The fourth proportional to 87,265,160.76, 120,426,286.86 and 48,106,077.96 is: 66,386,588.80
Step by Step Solution
- Step 1: Write the proportion equation
87,265,160.76 : 120,426,286.86 = 48,106,077.96 : x - Step 2: Convert to fraction form
87,265,160.76/120,426,286.86 = 48,106,077.96/x - Step 3: Cross multiply
87,265,160.76x = 120,426,286.86 × 48,106,077.96 - Step 4: Simplify right side
87,265,160.76x = 5,793,236,344,120,484 - Step 5: Solve for x
x = 5,793,236,344,120,484/87,265,160.76 - Step 6: Final answer
x = 66,386,588.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.