Finding the Fourth Proportional to 194,219,922.10, 291,245,902.35 and 97,138,117.30
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Solution
The fourth proportional to 194,219,922.10, 291,245,902.35 and 97,138,117.30 is: 145,665,173.38
Step by Step Solution
- Step 1: Write the proportion equation
194,219,922.10 : 291,245,902.35 = 97,138,117.30 : x - Step 2: Convert to fraction form
194,219,922.10/291,245,902.35 = 97,138,117.30/x - Step 3: Cross multiply
194,219,922.10x = 291,245,902.35 × 97,138,117.30 - Step 4: Simplify right side
194,219,922.10x = 28,291,078,625,618,648 - Step 5: Solve for x
x = 28,291,078,625,618,648/194,219,922.10 - Step 6: Final answer
x = 145,665,173.38
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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.