Finding the Fourth Proportional to 157,077,483.20, 235,616,224.80 and 49,372,107.20
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Solution
The fourth proportional to 157,077,483.20, 235,616,224.80 and 49,372,107.20 is: 74,058,160.80
Step by Step Solution
- Step 1: Write the proportion equation
157,077,483.20 : 235,616,224.80 = 49,372,107.20 : x - Step 2: Convert to fraction form
157,077,483.20/235,616,224.80 = 49,372,107.20/x - Step 3: Cross multiply
157,077,483.20x = 235,616,224.80 × 49,372,107.20 - Step 4: Simplify right side
157,077,483.20x = 11,632,869,508,884,900 - Step 5: Solve for x
x = 11,632,869,508,884,900/157,077,483.20 - Step 6: Final answer
x = 74,058,160.80
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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.