Finding the Fourth Proportional to 163,738,852.14, 225,979,430.04 and 93,191,614.92
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Solution
The fourth proportional to 163,738,852.14, 225,979,430.04 and 93,191,614.92 is: 128,615,705.73
Step by Step Solution
- Step 1: Write the proportion equation
163,738,852.14 : 225,979,430.04 = 93,191,614.92 : x - Step 2: Convert to fraction form
163,738,852.14/225,979,430.04 = 93,191,614.92/x - Step 3: Cross multiply
163,738,852.14x = 225,979,430.04 × 93,191,614.92 - Step 4: Simplify right side
163,738,852.14x = 21,059,388,024,128,760 - Step 5: Solve for x
x = 21,059,388,024,128,760/163,738,852.14 - Step 6: Final answer
x = 128,615,705.73
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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.