Finding the Fourth Proportional to 51,118,782.01, 76,621,376.49 and 38,948,121.61
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Solution
The fourth proportional to 51,118,782.01, 76,621,376.49 and 38,948,121.61 is: 58,378,908.34
Step by Step Solution
- Step 1: Write the proportion equation
51,118,782.01 : 76,621,376.49 = 38,948,121.61 : x - Step 2: Convert to fraction form
51,118,782.01/76,621,376.49 = 38,948,121.61/x - Step 3: Cross multiply
51,118,782.01x = 76,621,376.49 × 38,948,121.61 - Step 4: Simplify right side
51,118,782.01x = 2,984,258,689,458,114.50 - Step 5: Solve for x
x = 2,984,258,689,458,114.50/51,118,782.01 - Step 6: Final answer
x = 58,378,908.34
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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.