Finding the Fourth Proportional to 212,327,177.70, 317,853,037.35 and 126,021,159.30
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Solution
The fourth proportional to 212,327,177.70, 317,853,037.35 and 126,021,159.30 is: 188,653,231.71
Step by Step Solution
- Step 1: Write the proportion equation
212,327,177.70 : 317,853,037.35 = 126,021,159.30 : x - Step 2: Convert to fraction form
212,327,177.70/317,853,037.35 = 126,021,159.30/x - Step 3: Cross multiply
212,327,177.70x = 317,853,037.35 × 126,021,159.30 - Step 4: Simplify right side
212,327,177.70x = 40,056,208,253,873,200 - Step 5: Solve for x
x = 40,056,208,253,873,200/212,327,177.70 - Step 6: Final answer
x = 188,653,231.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.