Finding the Fourth Proportional to 141,781,566.60, 212,672,349.90 and 55,491,294.60
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Solution
The fourth proportional to 141,781,566.60, 212,672,349.90 and 55,491,294.60 is: 83,236,941.90
Step by Step Solution
- Step 1: Write the proportion equation
141,781,566.60 : 212,672,349.90 = 55,491,294.60 : x - Step 2: Convert to fraction form
141,781,566.60/212,672,349.90 = 55,491,294.60/x - Step 3: Cross multiply
141,781,566.60x = 212,672,349.90 × 55,491,294.60 - Step 4: Simplify right side
141,781,566.60x = 11,801,464,021,575,182 - Step 5: Solve for x
x = 11,801,464,021,575,182/141,781,566.60 - Step 6: Final answer
x = 83,236,941.90
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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.