Finding the Fourth Proportional to 145,923,033.04, 201,372,283.08 and 80,733,403.60
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Solution
The fourth proportional to 145,923,033.04, 201,372,283.08 and 80,733,403.60 is: 111,411,265.69
Step by Step Solution
- Step 1: Write the proportion equation
145,923,033.04 : 201,372,283.08 = 80,733,403.60 : x - Step 2: Convert to fraction form
145,923,033.04/201,372,283.08 = 80,733,403.60/x - Step 3: Cross multiply
145,923,033.04x = 201,372,283.08 × 80,733,403.60 - Step 4: Simplify right side
145,923,033.04x = 16,257,469,803,751,090 - Step 5: Solve for x
x = 16,257,469,803,751,090/145,923,033.04 - Step 6: Final answer
x = 111,411,265.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.