Finding the Fourth Proportional to 112,171,553.74, 168,553,239.92 and 60,394,438.09
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Solution
The fourth proportional to 112,171,553.74, 168,553,239.92 and 60,394,438.09 is: 90,750,978.07
Step by Step Solution
- Step 1: Write the proportion equation
112,171,553.74 : 168,553,239.92 = 60,394,438.09 : x - Step 2: Convert to fraction form
112,171,553.74/168,553,239.92 = 60,394,438.09/x - Step 3: Cross multiply
112,171,553.74x = 168,553,239.92 × 60,394,438.09 - Step 4: Simplify right side
112,171,553.74x = 10,179,678,213,217,356 - Step 5: Solve for x
x = 10,179,678,213,217,356/112,171,553.74 - Step 6: Final answer
x = 90,750,978.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.