Finding the Fourth Proportional to 87,954,331.68, 131,931,409.92 and 60,260,963.04
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Solution
The fourth proportional to 87,954,331.68, 131,931,409.92 and 60,260,963.04 is: 90,391,384.54
Step by Step Solution
- Step 1: Write the proportion equation
87,954,331.68 : 131,931,409.92 = 60,260,963.04 : x - Step 2: Convert to fraction form
87,954,331.68/131,931,409.92 = 60,260,963.04/x - Step 3: Cross multiply
87,954,331.68x = 131,931,409.92 × 60,260,963.04 - Step 4: Simplify right side
87,954,331.68x = 7,950,313,817,004,209 - Step 5: Solve for x
x = 7,950,313,817,004,209/87,954,331.68 - Step 6: Final answer
x = 90,391,384.54
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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.