Finding the Fourth Proportional to 64,951,751.78, 97,442,169.40 and 21,819,778.79
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Solution
The fourth proportional to 64,951,751.78, 97,442,169.40 and 21,819,778.79 is: 32,734,553.30
Step by Step Solution
- Step 1: Write the proportion equation
64,951,751.78 : 97,442,169.40 = 21,819,778.79 : x - Step 2: Convert to fraction form
64,951,751.78/97,442,169.40 = 21,819,778.79/x - Step 3: Cross multiply
64,951,751.78x = 97,442,169.40 × 21,819,778.79 - Step 4: Simplify right side
64,951,751.78x = 2,126,166,580,543,034.50 - Step 5: Solve for x
x = 2,126,166,580,543,034.50/64,951,751.78 - Step 6: Final answer
x = 32,734,553.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.