Finding the Fourth Proportional to 141,477,971.49, 195,237,600.80 and 79,598,162.43
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Solution
The fourth proportional to 141,477,971.49, 195,237,600.80 and 79,598,162.43 is: 109,844,338.99
Step by Step Solution
- Step 1: Write the proportion equation
141,477,971.49 : 195,237,600.80 = 79,598,162.43 : x - Step 2: Convert to fraction form
141,477,971.49/195,237,600.80 = 79,598,162.43/x - Step 3: Cross multiply
141,477,971.49x = 195,237,600.80 × 79,598,162.43 - Step 4: Simplify right side
141,477,971.49x = 15,540,554,260,523,908 - Step 5: Solve for x
x = 15,540,554,260,523,908/141,477,971.49 - Step 6: Final answer
x = 109,844,338.99
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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.