Finding the Fourth Proportional to 76,257,221.13, 105,235,713.12 and 41,449,890.06
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Solution
The fourth proportional to 76,257,221.13, 105,235,713.12 and 41,449,890.06 is: 57,201,254.84
Step by Step Solution
- Step 1: Write the proportion equation
76,257,221.13 : 105,235,713.12 = 41,449,890.06 : x - Step 2: Convert to fraction form
76,257,221.13/105,235,713.12 = 41,449,890.06/x - Step 3: Cross multiply
76,257,221.13x = 105,235,713.12 × 41,449,890.06 - Step 4: Simplify right side
76,257,221.13x = 4,362,008,739,209,700 - Step 5: Solve for x
x = 4,362,008,739,209,700/76,257,221.13 - Step 6: Final answer
x = 57,201,254.84
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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.