Finding the Fourth Proportional to 147,744,896.10, 221,617,344.15 and 93,325,337.70
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Solution
The fourth proportional to 147,744,896.10, 221,617,344.15 and 93,325,337.70 is: 139,988,006.55
Step by Step Solution
- Step 1: Write the proportion equation
147,744,896.10 : 221,617,344.15 = 93,325,337.70 : x - Step 2: Convert to fraction form
147,744,896.10/221,617,344.15 = 93,325,337.70/x - Step 3: Cross multiply
147,744,896.10x = 221,617,344.15 × 93,325,337.70 - Step 4: Simplify right side
147,744,896.10x = 20,682,513,482,975,872 - Step 5: Solve for x
x = 20,682,513,482,975,872/147,744,896.10 - Step 6: Final answer
x = 139,988,006.55
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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.