Finding the Fourth Proportional to 97,438,086.78, 146,189,760.09 and 31,862,248.62
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Solution
The fourth proportional to 97,438,086.78, 146,189,760.09 and 31,862,248.62 is: 47,804,042.91
Step by Step Solution
- Step 1: Write the proportion equation
97,438,086.78 : 146,189,760.09 = 31,862,248.62 : x - Step 2: Convert to fraction form
97,438,086.78/146,189,760.09 = 31,862,248.62/x - Step 3: Cross multiply
97,438,086.78x = 146,189,760.09 × 31,862,248.62 - Step 4: Simplify right side
97,438,086.78x = 4,657,934,481,685,734 - Step 5: Solve for x
x = 4,657,934,481,685,734/97,438,086.78 - Step 6: Final answer
x = 47,804,042.91
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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.