Finding the Fourth Proportional to 81,964,391.23, 122,911,590.35 and 47,444,620.27
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Solution
The fourth proportional to 81,964,391.23, 122,911,590.35 and 47,444,620.27 is: 71,146,672.88
Step by Step Solution
- Step 1: Write the proportion equation
81,964,391.23 : 122,911,590.35 = 47,444,620.27 : x - Step 2: Convert to fraction form
81,964,391.23/122,911,590.35 = 47,444,620.27/x - Step 3: Cross multiply
81,964,391.23x = 122,911,590.35 × 47,444,620.27 - Step 4: Simplify right side
81,964,391.23x = 5,831,493,730,748,879 - Step 5: Solve for x
x = 5,831,493,730,748,879/81,964,391.23 - Step 6: Final answer
x = 71,146,672.88
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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.