Finding the Fourth Proportional to 93,319,804.80, 139,979,707.20 and 42,203,491.20
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Solution
The fourth proportional to 93,319,804.80, 139,979,707.20 and 42,203,491.20 is: 63,305,236.80
Step by Step Solution
- Step 1: Write the proportion equation
93,319,804.80 : 139,979,707.20 = 42,203,491.20 : x - Step 2: Convert to fraction form
93,319,804.80/139,979,707.20 = 42,203,491.20/x - Step 3: Cross multiply
93,319,804.80x = 139,979,707.20 × 42,203,491.20 - Step 4: Simplify right side
93,319,804.80x = 5,907,632,340,993,777 - Step 5: Solve for x
x = 5,907,632,340,993,777/93,319,804.80 - Step 6: Final answer
x = 63,305,236.80
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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.