Finding the Fourth Proportional to 161,280,113.80, 241,920,170.70 and 53,574,737.80
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Solution
The fourth proportional to 161,280,113.80, 241,920,170.70 and 53,574,737.80 is: 80,362,106.70
Step by Step Solution
- Step 1: Write the proportion equation
161,280,113.80 : 241,920,170.70 = 53,574,737.80 : x - Step 2: Convert to fraction form
161,280,113.80/241,920,170.70 = 53,574,737.80/x - Step 3: Cross multiply
161,280,113.80x = 241,920,170.70 × 53,574,737.80 - Step 4: Simplify right side
161,280,113.80x = 12,960,809,713,783,742 - Step 5: Solve for x
x = 12,960,809,713,783,742/161,280,113.80 - Step 6: Final answer
x = 80,362,106.70
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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.