Finding the Fourth Proportional to 75,201,407.10, 112,802,110.65 and 65,635,469.10
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Solution
The fourth proportional to 75,201,407.10, 112,802,110.65 and 65,635,469.10 is: 98,453,203.65
Step by Step Solution
- Step 1: Write the proportion equation
75,201,407.10 : 112,802,110.65 = 65,635,469.10 : x - Step 2: Convert to fraction form
75,201,407.10/112,802,110.65 = 65,635,469.10/x - Step 3: Cross multiply
75,201,407.10x = 112,802,110.65 × 65,635,469.10 - Step 4: Simplify right side
75,201,407.10x = 7,403,819,447,982,856 - Step 5: Solve for x
x = 7,403,819,447,982,856/75,201,407.10 - Step 6: Final answer
x = 98,453,203.65
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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.