Finding the Fourth Proportional to 51,991,710.60, 77,863,781.97 and 30,085,911.09
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Solution
The fourth proportional to 51,991,710.60, 77,863,781.97 and 30,085,911.09 is: 45,057,236.90
Step by Step Solution
- Step 1: Write the proportion equation
51,991,710.60 : 77,863,781.97 = 30,085,911.09 : x - Step 2: Convert to fraction form
51,991,710.60/77,863,781.97 = 30,085,911.09/x - Step 3: Cross multiply
51,991,710.60x = 77,863,781.97 × 30,085,911.09 - Step 4: Simplify right side
51,991,710.60x = 2,342,602,821,480,565 - Step 5: Solve for x
x = 2,342,602,821,480,565/51,991,710.60 - Step 6: Final answer
x = 45,057,236.90
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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.