Finding the Fourth Proportional to 178,582,214.52, 246,435,126.62 and 99,202,421.07
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Solution
The fourth proportional to 178,582,214.52, 246,435,126.62 and 99,202,421.07 is: 136,894,714.08
Step by Step Solution
- Step 1: Write the proportion equation
178,582,214.52 : 246,435,126.62 = 99,202,421.07 : x - Step 2: Convert to fraction form
178,582,214.52/246,435,126.62 = 99,202,421.07/x - Step 3: Cross multiply
178,582,214.52x = 246,435,126.62 × 99,202,421.07 - Step 4: Simplify right side
178,582,214.52x = 24,446,961,196,899,992 - Step 5: Solve for x
x = 24,446,961,196,899,992/178,582,214.52 - Step 6: Final answer
x = 136,894,714.08
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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.