Finding the Fourth Proportional to 165,924,779.40, 248,887,169.10 and 149,485,537.80
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Solution
The fourth proportional to 165,924,779.40, 248,887,169.10 and 149,485,537.80 is: 224,228,306.70
Step by Step Solution
- Step 1: Write the proportion equation
165,924,779.40 : 248,887,169.10 = 149,485,537.80 : x - Step 2: Convert to fraction form
165,924,779.40/248,887,169.10 = 149,485,537.80/x - Step 3: Cross multiply
165,924,779.40x = 248,887,169.10 × 149,485,537.80 - Step 4: Simplify right side
165,924,779.40x = 37,205,032,324,433,048 - Step 5: Solve for x
x = 37,205,032,324,433,048/165,924,779.40 - Step 6: Final answer
x = 224,228,306.70
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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.