Finding the Fourth Proportional to 144,946,854.70, 217,420,282.05 and 49,208,742.70
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Solution
The fourth proportional to 144,946,854.70, 217,420,282.05 and 49,208,742.70 is: 73,813,114.05
Step by Step Solution
- Step 1: Write the proportion equation
144,946,854.70 : 217,420,282.05 = 49,208,742.70 : x - Step 2: Convert to fraction form
144,946,854.70/217,420,282.05 = 49,208,742.70/x - Step 3: Cross multiply
144,946,854.70x = 217,420,282.05 × 49,208,742.70 - Step 4: Simplify right side
144,946,854.70x = 10,698,978,717,159,880 - Step 5: Solve for x
x = 10,698,978,717,159,880/144,946,854.70 - Step 6: Final answer
x = 73,813,114.05
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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.