Finding the Fourth Proportional to 72,512,117.12, 108,767,691.84 and 29,380,684.16
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Solution
The fourth proportional to 72,512,117.12, 108,767,691.84 and 29,380,684.16 is: 44,070,830.20
Step by Step Solution
- Step 1: Write the proportion equation
72,512,117.12 : 108,767,691.84 = 29,380,684.16 : x - Step 2: Convert to fraction form
72,512,117.12/108,767,691.84 = 29,380,684.16/x - Step 3: Cross multiply
72,512,117.12x = 108,767,691.84 × 29,380,684.16 - Step 4: Simplify right side
72,512,117.12x = 3,195,669,200,763,249.50 - Step 5: Solve for x
x = 3,195,669,200,763,249.50/72,512,117.12 - Step 6: Final answer
x = 44,070,830.20
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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.