Finding the Fourth Proportional to 130,780,276.44, 196,177,568.58 and 53,045,635.92
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Solution
The fourth proportional to 130,780,276.44, 196,177,568.58 and 53,045,635.92 is: 79,571,355.57
Step by Step Solution
- Step 1: Write the proportion equation
130,780,276.44 : 196,177,568.58 = 53,045,635.92 : x - Step 2: Convert to fraction form
130,780,276.44/196,177,568.58 = 53,045,635.92/x - Step 3: Cross multiply
130,780,276.44x = 196,177,568.58 × 53,045,635.92 - Step 4: Simplify right side
130,780,276.44x = 10,406,363,878,565,512 - Step 5: Solve for x
x = 10,406,363,878,565,512/130,780,276.44 - Step 6: Final answer
x = 79,571,355.57
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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.