Finding the Fourth Proportional to 89,783,204.18, 134,673,993.99 and 28,372,372.98
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Solution
The fourth proportional to 89,783,204.18, 134,673,993.99 and 28,372,372.98 is: 42,558,302.78
Step by Step Solution
- Step 1: Write the proportion equation
89,783,204.18 : 134,673,993.99 = 28,372,372.98 : x - Step 2: Convert to fraction form
89,783,204.18/134,673,993.99 = 28,372,372.98/x - Step 3: Cross multiply
89,783,204.18x = 134,673,993.99 × 28,372,372.98 - Step 4: Simplify right side
89,783,204.18x = 3,821,020,788,190,558.50 - Step 5: Solve for x
x = 3,821,020,788,190,558.50/89,783,204.18 - Step 6: Final answer
x = 42,558,302.78
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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.