Finding the Fourth Proportional to 149,746,104.42, 206,660,317.59 and 82,763,621.66
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Solution
The fourth proportional to 149,746,104.42, 206,660,317.59 and 82,763,621.66 is: 114,219,708.10
Step by Step Solution
- Step 1: Write the proportion equation
149,746,104.42 : 206,660,317.59 = 82,763,621.66 : x - Step 2: Convert to fraction form
149,746,104.42/206,660,317.59 = 82,763,621.66/x - Step 3: Cross multiply
149,746,104.42x = 206,660,317.59 × 82,763,621.66 - Step 4: Simplify right side
149,746,104.42x = 17,103,956,336,120,902 - Step 5: Solve for x
x = 17,103,956,336,120,902/149,746,104.42 - Step 6: Final answer
x = 114,219,708.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.