Finding the Fourth Proportional to 75,342,772.08, 103,901,599.80 and 49,259,647.80
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Solution
The fourth proportional to 75,342,772.08, 103,901,599.80 and 49,259,647.80 is: 67,931,615.35
Step by Step Solution
- Step 1: Write the proportion equation
75,342,772.08 : 103,901,599.80 = 49,259,647.80 : x - Step 2: Convert to fraction form
75,342,772.08/103,901,599.80 = 49,259,647.80/x - Step 3: Cross multiply
75,342,772.08x = 103,901,599.80 × 49,259,647.80 - Step 4: Simplify right side
75,342,772.08x = 5,118,156,212,004,550 - Step 5: Solve for x
x = 5,118,156,212,004,550/75,342,772.08 - Step 6: Final answer
x = 67,931,615.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.