Finding the Fourth Proportional to 63,720,687.15, 87,902,714.84 and 40,228,339.23
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Solution
The fourth proportional to 63,720,687.15, 87,902,714.84 and 40,228,339.23 is: 55,495,010.96
Step by Step Solution
- Step 1: Write the proportion equation
63,720,687.15 : 87,902,714.84 = 40,228,339.23 : x - Step 2: Convert to fraction form
63,720,687.15/87,902,714.84 = 40,228,339.23/x - Step 3: Cross multiply
63,720,687.15x = 87,902,714.84 × 40,228,339.23 - Step 4: Simplify right side
63,720,687.15x = 3,536,180,231,620,333 - Step 5: Solve for x
x = 3,536,180,231,620,333/63,720,687.15 - Step 6: Final answer
x = 55,495,010.96
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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.