Finding the Fourth Proportional to 235,302,352.24, 352,963,023.72 and 81,963,917.68
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Solution
The fourth proportional to 235,302,352.24, 352,963,023.72 and 81,963,917.68 is: 122,949,184.08
Step by Step Solution
- Step 1: Write the proportion equation
235,302,352.24 : 352,963,023.72 = 81,963,917.68 : x - Step 2: Convert to fraction form
235,302,352.24/352,963,023.72 = 81,963,917.68/x - Step 3: Cross multiply
235,302,352.24x = 352,963,023.72 × 81,963,917.68 - Step 4: Simplify right side
235,302,352.24x = 28,930,232,220,269,972 - Step 5: Solve for x
x = 28,930,232,220,269,972/235,302,352.24 - Step 6: Final answer
x = 122,949,184.08
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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.