Finding the Fourth Proportional to 134,367,999.70, 201,551,999.55 and 43,556,761.30
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Solution
The fourth proportional to 134,367,999.70, 201,551,999.55 and 43,556,761.30 is: 65,335,141.95
Step by Step Solution
- Step 1: Write the proportion equation
134,367,999.70 : 201,551,999.55 = 43,556,761.30 : x - Step 2: Convert to fraction form
134,367,999.70/201,551,999.55 = 43,556,761.30/x - Step 3: Cross multiply
134,367,999.70x = 201,551,999.55 × 43,556,761.30 - Step 4: Simplify right side
134,367,999.70x = 8,778,952,333,937,057 - Step 5: Solve for x
x = 8,778,952,333,937,057/134,367,999.70 - Step 6: Final answer
x = 65,335,141.95
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1.5x scale
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.