Finding the Fourth Proportional to 251,926,631.40, 377,889,947.10 and 106,524,373.80
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Solution
The fourth proportional to 251,926,631.40, 377,889,947.10 and 106,524,373.80 is: 159,786,560.70
Step by Step Solution
- Step 1: Write the proportion equation
251,926,631.40 : 377,889,947.10 = 106,524,373.80 : x - Step 2: Convert to fraction form
251,926,631.40/377,889,947.10 = 106,524,373.80/x - Step 3: Cross multiply
251,926,631.40x = 377,889,947.10 × 106,524,373.80 - Step 4: Simplify right side
251,926,631.40x = 40,254,489,980,142,624 - Step 5: Solve for x
x = 40,254,489,980,142,624/251,926,631.40 - Step 6: Final answer
x = 159,786,560.70
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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.