Finding the Fourth Proportional to 70,055,284.64, 96,682,268.59 and 39,121,430.00
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Solution
The fourth proportional to 70,055,284.64, 96,682,268.59 and 39,121,430.00 is: 53,990,910.49
Step by Step Solution
- Step 1: Write the proportion equation
70,055,284.64 : 96,682,268.59 = 39,121,430.00 : x - Step 2: Convert to fraction form
70,055,284.64/96,682,268.59 = 39,121,430.00/x - Step 3: Cross multiply
70,055,284.64x = 96,682,268.59 × 39,121,430.00 - Step 4: Simplify right side
70,055,284.64x = 3,782,348,602,303,669 - Step 5: Solve for x
x = 3,782,348,602,303,669/70,055,284.64 - Step 6: Final answer
x = 53,990,910.49
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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.