Finding the Fourth Proportional to 76,722,585.08, 115,156,635.23 and 47,487,992.03
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Solution
The fourth proportional to 76,722,585.08, 115,156,635.23 and 47,487,992.03 is: 71,277,021.88
Step by Step Solution
- Step 1: Write the proportion equation
76,722,585.08 : 115,156,635.23 = 47,487,992.03 : x - Step 2: Convert to fraction form
76,722,585.08/115,156,635.23 = 47,487,992.03/x - Step 3: Cross multiply
76,722,585.08x = 115,156,635.23 × 47,487,992.03 - Step 4: Simplify right side
76,722,585.08x = 5,468,557,375,546,794 - Step 5: Solve for x
x = 5,468,557,375,546,794/76,722,585.08 - Step 6: Final answer
x = 71,277,021.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.