Finding the Fourth Proportional to 266,917,220.46, 368,360,942.49 and 149,441,522.94
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Solution
The fourth proportional to 266,917,220.46, 368,360,942.49 and 149,441,522.94 is: 206,237,799.65
Step by Step Solution
- Step 1: Write the proportion equation
266,917,220.46 : 368,360,942.49 = 149,441,522.94 : x - Step 2: Convert to fraction form
266,917,220.46/368,360,942.49 = 149,441,522.94/x - Step 3: Cross multiply
266,917,220.46x = 368,360,942.49 × 149,441,522.94 - Step 4: Simplify right side
266,917,220.46x = 55,048,420,237,319,360 - Step 5: Solve for x
x = 55,048,420,237,319,360/266,917,220.46 - Step 6: Final answer
x = 206,237,799.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.