Finding the Fourth Proportional to 89,363,450.70, 134,045,176.05 and 28,779,176.70
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Solution
The fourth proportional to 89,363,450.70, 134,045,176.05 and 28,779,176.70 is: 43,168,765.05
Step by Step Solution
- Step 1: Write the proportion equation
89,363,450.70 : 134,045,176.05 = 28,779,176.70 : x - Step 2: Convert to fraction form
89,363,450.70/134,045,176.05 = 28,779,176.70/x - Step 3: Cross multiply
89,363,450.70x = 134,045,176.05 × 28,779,176.70 - Step 4: Simplify right side
89,363,450.70x = 3,857,709,807,325,558 - Step 5: Solve for x
x = 3,857,709,807,325,558/89,363,450.70 - Step 6: Final answer
x = 43,168,765.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.