Finding the Fourth Proportional to 165,402,469.40, 248,103,704.10 and 157,466,283.80
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Solution
The fourth proportional to 165,402,469.40, 248,103,704.10 and 157,466,283.80 is: 236,199,425.70
Step by Step Solution
- Step 1: Write the proportion equation
165,402,469.40 : 248,103,704.10 = 157,466,283.80 : x - Step 2: Convert to fraction form
165,402,469.40/248,103,704.10 = 157,466,283.80/x - Step 3: Cross multiply
165,402,469.40x = 248,103,704.10 × 157,466,283.80 - Step 4: Simplify right side
165,402,469.40x = 39,067,968,281,641,824 - Step 5: Solve for x
x = 39,067,968,281,641,824/165,402,469.40 - Step 6: Final answer
x = 236,199,425.70
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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.