Finding the Fourth Proportional to 51,376,676.18, 70,831,226.59 and 40,815,108.99
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Solution
The fourth proportional to 51,376,676.18, 70,831,226.59 and 40,815,108.99 is: 56,270,363.29
Step by Step Solution
- Step 1: Write the proportion equation
51,376,676.18 : 70,831,226.59 = 40,815,108.99 : x - Step 2: Convert to fraction form
51,376,676.18/70,831,226.59 = 40,815,108.99/x - Step 3: Cross multiply
51,376,676.18x = 70,831,226.59 × 40,815,108.99 - Step 4: Simplify right side
51,376,676.18x = 2,890,984,233,064,198.50 - Step 5: Solve for x
x = 2,890,984,233,064,198.50/51,376,676.18 - Step 6: Final answer
x = 56,270,363.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.