Finding the Fourth Proportional to 43,193,749, 64,814,538.30 and 25,879,400.68
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Solution
The fourth proportional to 43,193,749, 64,814,538.30 and 25,879,400.68 is: 38,833,429.50
Step by Step Solution
- Step 1: Write the proportion equation
43,193,749 : 64,814,538.30 = 25,879,400.68 : x - Step 2: Convert to fraction form
43,193,749/64,814,538.30 = 25,879,400.68/x - Step 3: Cross multiply
43,193,749x = 64,814,538.30 × 25,879,400.68 - Step 4: Simplify right side
43,193,749x = 1,677,361,406,554,906 - Step 5: Solve for x
x = 1,677,361,406,554,906/43,193,749 - Step 6: Final answer
x = 38,833,429.50
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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.