Finding the Fourth Proportional to 135,230,705.13, 202,881,030.56 and 79,190,955.62
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Solution
The fourth proportional to 135,230,705.13, 202,881,030.56 and 79,190,955.62 is: 118,806,913.50
Step by Step Solution
- Step 1: Write the proportion equation
135,230,705.13 : 202,881,030.56 = 79,190,955.62 : x - Step 2: Convert to fraction form
135,230,705.13/202,881,030.56 = 79,190,955.62/x - Step 3: Cross multiply
135,230,705.13x = 202,881,030.56 × 79,190,955.62 - Step 4: Simplify right side
135,230,705.13x = 16,066,342,686,640,916 - Step 5: Solve for x
x = 16,066,342,686,640,916/135,230,705.13 - Step 6: Final answer
x = 118,806,913.50
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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.