Finding the Fourth Proportional to 102,600,157.66, 141,587,574.95 and 55,556,236.26
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Solution
The fourth proportional to 102,600,157.66, 141,587,574.95 and 55,556,236.26 is: 76,667,258.07
Step by Step Solution
- Step 1: Write the proportion equation
102,600,157.66 : 141,587,574.95 = 55,556,236.26 : x - Step 2: Convert to fraction form
102,600,157.66/141,587,574.95 = 55,556,236.26/x - Step 3: Cross multiply
102,600,157.66x = 141,587,574.95 × 55,556,236.26 - Step 4: Simplify right side
102,600,157.66x = 7,866,072,765,541,547 - Step 5: Solve for x
x = 7,866,072,765,541,547/102,600,157.66 - Step 6: Final answer
x = 76,667,258.07
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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.