Finding the Fourth Proportional to 84,409,598.88, 126,548,254.08 and 33,329,851.68
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Solution
The fourth proportional to 84,409,598.88, 126,548,254.08 and 33,329,851.68 is: 49,968,659.90
Step by Step Solution
- Step 1: Write the proportion equation
84,409,598.88 : 126,548,254.08 = 33,329,851.68 : x - Step 2: Convert to fraction form
84,409,598.88/126,548,254.08 = 33,329,851.68/x - Step 3: Cross multiply
84,409,598.88x = 126,548,254.08 × 33,329,851.68 - Step 4: Simplify right side
84,409,598.88x = 4,217,834,538,849,355 - Step 5: Solve for x
x = 4,217,834,538,849,355/84,409,598.88 - Step 6: Final answer
x = 49,968,659.90
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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.