Finding the Fourth Proportional to 125,570,814.78, 173,289,738.84 and 69,057,794.02
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Solution
The fourth proportional to 125,570,814.78, 173,289,738.84 and 69,057,794.02 is: 95,300,863.59
Step by Step Solution
- Step 1: Write the proportion equation
125,570,814.78 : 173,289,738.84 = 69,057,794.02 : x - Step 2: Convert to fraction form
125,570,814.78/173,289,738.84 = 69,057,794.02/x - Step 3: Cross multiply
125,570,814.78x = 173,289,738.84 × 69,057,794.02 - Step 4: Simplify right side
125,570,814.78x = 11,967,007,090,592,314 - Step 5: Solve for x
x = 11,967,007,090,592,314/125,570,814.78 - Step 6: Final answer
x = 95,300,863.59
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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.