Finding the Fourth Proportional to 150,913,510.80, 226,370,266.20 and 120,680,422.80
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Solution
The fourth proportional to 150,913,510.80, 226,370,266.20 and 120,680,422.80 is: 181,020,634.20
Step by Step Solution
- Step 1: Write the proportion equation
150,913,510.80 : 226,370,266.20 = 120,680,422.80 : x - Step 2: Convert to fraction form
150,913,510.80/226,370,266.20 = 120,680,422.80/x - Step 3: Cross multiply
150,913,510.80x = 226,370,266.20 × 120,680,422.80 - Step 4: Simplify right side
150,913,510.80x = 27,318,459,434,364,548 - Step 5: Solve for x
x = 27,318,459,434,364,548/150,913,510.80 - Step 6: Final answer
x = 181,020,634.20
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1.5x scale
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.