Finding the Fourth Proportional to 147,625,803.20, 221,438,704.80 and 79,601,355.20
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Solution
The fourth proportional to 147,625,803.20, 221,438,704.80 and 79,601,355.20 is: 119,402,032.80
Step by Step Solution
- Step 1: Write the proportion equation
147,625,803.20 : 221,438,704.80 = 79,601,355.20 : x - Step 2: Convert to fraction form
147,625,803.20/221,438,704.80 = 79,601,355.20/x - Step 3: Cross multiply
147,625,803.20x = 221,438,704.80 × 79,601,355.20 - Step 4: Simplify right side
147,625,803.20x = 17,626,820,995,812,746 - Step 5: Solve for x
x = 17,626,820,995,812,746/147,625,803.20 - Step 6: Final answer
x = 119,402,032.80
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1.5x scale
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.