Finding the Fourth Proportional to 178,719,232.34, 246,652,511.32 and 108,193,701.08
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Solution
The fourth proportional to 178,719,232.34, 246,652,511.32 and 108,193,701.08 is: 149,319,397.42
Step by Step Solution
- Step 1: Write the proportion equation
178,719,232.34 : 246,652,511.32 = 108,193,701.08 : x - Step 2: Convert to fraction form
178,719,232.34/246,652,511.32 = 108,193,701.08/x - Step 3: Cross multiply
178,719,232.34x = 246,652,511.32 × 108,193,701.08 - Step 4: Simplify right side
178,719,232.34x = 26,686,248,080,387,396 - Step 5: Solve for x
x = 26,686,248,080,387,396/178,719,232.34 - Step 6: Final answer
x = 149,319,397.42
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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.