Finding the Fourth Proportional to 155,416,220.14, 214,473,273.34 and 84,851,828.14
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Solution
The fourth proportional to 155,416,220.14, 214,473,273.34 and 84,851,828.14 is: 117,094,916.56
Step by Step Solution
- Step 1: Write the proportion equation
155,416,220.14 : 214,473,273.34 = 84,851,828.14 : x - Step 2: Convert to fraction form
155,416,220.14/214,473,273.34 = 84,851,828.14/x - Step 3: Cross multiply
155,416,220.14x = 214,473,273.34 × 84,851,828.14 - Step 4: Simplify right side
155,416,220.14x = 18,198,449,330,068,924 - Step 5: Solve for x
x = 18,198,449,330,068,924/155,416,220.14 - Step 6: Final answer
x = 117,094,916.56
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1.5x scale
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.