Finding the Fourth Proportional to 141,756,103.92, 212,646,160.08 and 39,520,239.96
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Solution
The fourth proportional to 141,756,103.92, 212,646,160.08 and 39,520,239.96 is: 59,283,706.60
Step by Step Solution
- Step 1: Write the proportion equation
141,756,103.92 : 212,646,160.08 = 39,520,239.96 : x - Step 2: Convert to fraction form
141,756,103.92/212,646,160.08 = 39,520,239.96/x - Step 3: Cross multiply
141,756,103.92x = 212,646,160.08 × 39,520,239.96 - Step 4: Simplify right side
141,756,103.92x = 8,403,827,272,934,174 - Step 5: Solve for x
x = 8,403,827,272,934,174/141,756,103.92 - Step 6: Final answer
x = 59,283,706.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.