Finding the Fourth Proportional to 207,927,172.08, 286,928,129.64 and 113,823,114.48
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Solution
The fourth proportional to 207,927,172.08, 286,928,129.64 and 113,823,114.48 is: 157,069,675.03
Step by Step Solution
- Step 1: Write the proportion equation
207,927,172.08 : 286,928,129.64 = 113,823,114.48 : x - Step 2: Convert to fraction form
207,927,172.08/286,928,129.64 = 113,823,114.48/x - Step 3: Cross multiply
207,927,172.08x = 286,928,129.64 × 113,823,114.48 - Step 4: Simplify right side
207,927,172.08x = 32,659,053,347,546,000 - Step 5: Solve for x
x = 32,659,053,347,546,000/207,927,172.08 - Step 6: Final answer
x = 157,069,675.03
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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.