Finding the Fourth Proportional to 124,127,336.28, 171,289,393.05 and 68,371,556.42
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Solution
The fourth proportional to 124,127,336.28, 171,289,393.05 and 68,371,556.42 is: 94,349,260.62
Step by Step Solution
- Step 1: Write the proportion equation
124,127,336.28 : 171,289,393.05 = 68,371,556.42 : x - Step 2: Convert to fraction form
124,127,336.28/171,289,393.05 = 68,371,556.42/x - Step 3: Cross multiply
124,127,336.28x = 171,289,393.05 × 68,371,556.42 - Step 4: Simplify right side
124,127,336.28x = 11,711,322,401,065,632 - Step 5: Solve for x
x = 11,711,322,401,065,632/124,127,336.28 - Step 6: Final answer
x = 94,349,260.62
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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.