Finding the Fourth Proportional to 130,073,253.80, 195,217,216.18 and 65,395,440.68
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Solution
The fourth proportional to 130,073,253.80, 195,217,216.18 and 65,395,440.68 is: 98,147,124.85
Step by Step Solution
- Step 1: Write the proportion equation
130,073,253.80 : 195,217,216.18 = 65,395,440.68 : x - Step 2: Convert to fraction form
130,073,253.80/195,217,216.18 = 65,395,440.68/x - Step 3: Cross multiply
130,073,253.80x = 195,217,216.18 × 65,395,440.68 - Step 4: Simplify right side
130,073,253.80x = 12,766,315,880,413,926 - Step 5: Solve for x
x = 12,766,315,880,413,926/130,073,253.80 - Step 6: Final answer
x = 98,147,124.85
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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.