Finding the Fourth Proportional to 127,289,841.80, 190,934,762.70 and 31,551,729.80
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Solution
The fourth proportional to 127,289,841.80, 190,934,762.70 and 31,551,729.80 is: 47,327,594.70
Step by Step Solution
- Step 1: Write the proportion equation
127,289,841.80 : 190,934,762.70 = 31,551,729.80 : x - Step 2: Convert to fraction form
127,289,841.80/190,934,762.70 = 31,551,729.80/x - Step 3: Cross multiply
127,289,841.80x = 190,934,762.70 × 31,551,729.80 - Step 4: Simplify right side
127,289,841.80x = 6,024,322,042,137,518 - Step 5: Solve for x
x = 6,024,322,042,137,518/127,289,841.80 - Step 6: Final answer
x = 47,327,594.70
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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.