Finding the Fourth Proportional to 77,531,751.99, 116,227,237.55 and 38,682,086.31
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Solution
The fourth proportional to 77,531,751.99, 116,227,237.55 and 38,682,086.31 is: 57,988,010.32
Step by Step Solution
- Step 1: Write the proportion equation
77,531,751.99 : 116,227,237.55 = 38,682,086.31 : x - Step 2: Convert to fraction form
77,531,751.99/116,227,237.55 = 38,682,086.31/x - Step 3: Cross multiply
77,531,751.99x = 116,227,237.55 × 38,682,086.31 - Step 4: Simplify right side
77,531,751.99x = 4,495,912,034,288,563 - Step 5: Solve for x
x = 4,495,912,034,288,563/77,531,751.99 - Step 6: Final answer
x = 57,988,010.32
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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.