Finding the Fourth Proportional to 47,478,676.11, 71,299,515.70 and 29,142,294.20
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Solution
The fourth proportional to 47,478,676.11, 71,299,515.70 and 29,142,294.20 is: 43,763,466.75
Step by Step Solution
- Step 1: Write the proportion equation
47,478,676.11 : 71,299,515.70 = 29,142,294.20 : x - Step 2: Convert to fraction form
47,478,676.11/71,299,515.70 = 29,142,294.20/x - Step 3: Cross multiply
47,478,676.11x = 71,299,515.70 × 29,142,294.20 - Step 4: Simplify right side
47,478,676.11x = 2,077,831,463,209,062 - Step 5: Solve for x
x = 2,077,831,463,209,062/47,478,676.11 - Step 6: Final answer
x = 43,763,466.75
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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.