Finding the Fourth Proportional to 256,250,172.80, 353,620,867.84 and 138,774,548.48
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Solution
The fourth proportional to 256,250,172.80, 353,620,867.84 and 138,774,548.48 is: 191,506,509.95
Step by Step Solution
- Step 1: Write the proportion equation
256,250,172.80 : 353,620,867.84 = 138,774,548.48 : x - Step 2: Convert to fraction form
256,250,172.80/353,620,867.84 = 138,774,548.48/x - Step 3: Cross multiply
256,250,172.80x = 353,620,867.84 × 138,774,548.48 - Step 4: Simplify right side
256,250,172.80x = 49,073,576,267,601,744 - Step 5: Solve for x
x = 49,073,576,267,601,744/256,250,172.80 - Step 6: Final answer
x = 191,506,509.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.