Finding the Fourth Proportional to 124,306,932.56, 171,576,651.53 and 73,430,342.84
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Solution
The fourth proportional to 124,306,932.56, 171,576,651.53 and 73,430,342.84 is: 101,353,416.80
Step by Step Solution
- Step 1: Write the proportion equation
124,306,932.56 : 171,576,651.53 = 73,430,342.84 : x - Step 2: Convert to fraction form
124,306,932.56/171,576,651.53 = 73,430,342.84/x - Step 3: Cross multiply
124,306,932.56x = 171,576,651.53 × 73,430,342.84 - Step 4: Simplify right side
124,306,932.56x = 12,598,932,345,799,628 - Step 5: Solve for x
x = 12,598,932,345,799,628/124,306,932.56 - Step 6: Final answer
x = 101,353,416.80
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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.