Finding the Fourth Proportional to 212,119,905.07, 292,691,741.55 and 119,282,484.07
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Solution
The fourth proportional to 212,119,905.07, 292,691,741.55 and 119,282,484.07 is: 164,590,861.89
Step by Step Solution
- Step 1: Write the proportion equation
212,119,905.07 : 292,691,741.55 = 119,282,484.07 : x - Step 2: Convert to fraction form
212,119,905.07/292,691,741.55 = 119,282,484.07/x - Step 3: Cross multiply
212,119,905.07x = 292,691,741.55 × 119,282,484.07 - Step 4: Simplify right side
212,119,905.07x = 34,912,997,998,858,432 - Step 5: Solve for x
x = 34,912,997,998,858,432/212,119,905.07 - Step 6: Final answer
x = 164,590,861.89
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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.