Finding the Fourth Proportional to 155,416,275.88, 214,473,350.28 and 84,851,883.88
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Solution
The fourth proportional to 155,416,275.88, 214,473,350.28 and 84,851,883.88 is: 117,094,993.50
Step by Step Solution
- Step 1: Write the proportion equation
155,416,275.88 : 214,473,350.28 = 84,851,883.88 : x - Step 2: Convert to fraction form
155,416,275.88/214,473,350.28 = 84,851,883.88/x - Step 3: Cross multiply
155,416,275.88x = 214,473,350.28 × 84,851,883.88 - Step 4: Simplify right side
155,416,275.88x = 18,198,467,813,313,124 - Step 5: Solve for x
x = 18,198,467,813,313,124/155,416,275.88 - Step 6: Final answer
x = 117,094,993.50
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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.