Finding the Fourth Proportional to 162,296,475.20, 223,992,103.20 and 100,436,742.08
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Solution
The fourth proportional to 162,296,475.20, 223,992,103.20 and 100,436,742.08 is: 138,616,917.40
Step by Step Solution
- Step 1: Write the proportion equation
162,296,475.20 : 223,992,103.20 = 100,436,742.08 : x - Step 2: Convert to fraction form
162,296,475.20/223,992,103.20 = 100,436,742.08/x - Step 3: Cross multiply
162,296,475.20x = 223,992,103.20 × 100,436,742.08 - Step 4: Simplify right side
162,296,475.20x = 22,497,037,097,055,140 - Step 5: Solve for x
x = 22,497,037,097,055,140/162,296,475.20 - Step 6: Final answer
x = 138,616,917.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.