Finding the Fourth Proportional to 178,430,697.52, 246,238,608.36 and 100,120,042.96
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Solution
The fourth proportional to 178,430,697.52, 246,238,608.36 and 100,120,042.96 is: 138,168,041.65
Step by Step Solution
- Step 1: Write the proportion equation
178,430,697.52 : 246,238,608.36 = 100,120,042.96 : x - Step 2: Convert to fraction form
178,430,697.52/246,238,608.36 = 100,120,042.96/x - Step 3: Cross multiply
178,430,697.52x = 246,238,608.36 × 100,120,042.96 - Step 4: Simplify right side
178,430,697.52x = 24,653,420,047,413,816 - Step 5: Solve for x
x = 24,653,420,047,413,816/178,430,697.52 - Step 6: Final answer
x = 138,168,041.65
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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.