Finding the Fourth Proportional to 147,625,847.70, 221,438,771.55 and 79,601,399.70
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Solution
The fourth proportional to 147,625,847.70, 221,438,771.55 and 79,601,399.70 is: 119,402,099.55
Step by Step Solution
- Step 1: Write the proportion equation
147,625,847.70 : 221,438,771.55 = 79,601,399.70 : x - Step 2: Convert to fraction form
147,625,847.70/221,438,771.55 = 79,601,399.70/x - Step 3: Cross multiply
147,625,847.70x = 221,438,771.55 × 79,601,399.70 - Step 4: Simplify right side
147,625,847.70x = 17,626,836,163,228,540 - Step 5: Solve for x
x = 17,626,836,163,228,540/147,625,847.70 - Step 6: Final answer
x = 119,402,099.55
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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.