Finding the Fourth Proportional to 121,570,389.70, 182,355,584.55 and 36,469,845.70
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Solution
The fourth proportional to 121,570,389.70, 182,355,584.55 and 36,469,845.70 is: 54,704,768.55
Step by Step Solution
- Step 1: Write the proportion equation
121,570,389.70 : 182,355,584.55 = 36,469,845.70 : x - Step 2: Convert to fraction form
121,570,389.70/182,355,584.55 = 36,469,845.70/x - Step 3: Cross multiply
121,570,389.70x = 182,355,584.55 × 36,469,845.70 - Step 4: Simplify right side
121,570,389.70x = 6,650,480,031,071,805 - Step 5: Solve for x
x = 6,650,480,031,071,805/121,570,389.70 - Step 6: Final answer
x = 54,704,768.55
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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.