Finding the Fourth Proportional to 157,077,491.70, 235,616,237.55 and 49,372,115.70
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Solution
The fourth proportional to 157,077,491.70, 235,616,237.55 and 49,372,115.70 is: 74,058,173.55
Step by Step Solution
- Step 1: Write the proportion equation
157,077,491.70 : 235,616,237.55 = 49,372,115.70 : x - Step 2: Convert to fraction form
157,077,491.70/235,616,237.55 = 49,372,115.70/x - Step 3: Cross multiply
157,077,491.70x = 235,616,237.55 × 49,372,115.70 - Step 4: Simplify right side
157,077,491.70x = 11,632,872,141,117,286 - Step 5: Solve for x
x = 11,632,872,141,117,286/157,077,491.70 - Step 6: Final answer
x = 74,058,173.55
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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.