Finding the Fourth Proportional to 62,903,759.41, 86,833,971.30 and 42,289,163.02
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Solution
The fourth proportional to 62,903,759.41, 86,833,971.30 and 42,289,163.02 is: 58,377,050.95
Step by Step Solution
- Step 1: Write the proportion equation
62,903,759.41 : 86,833,971.30 = 42,289,163.02 : x - Step 2: Convert to fraction form
62,903,759.41/86,833,971.30 = 42,289,163.02/x - Step 3: Cross multiply
62,903,759.41x = 86,833,971.30 × 42,289,163.02 - Step 4: Simplify right side
62,903,759.41x = 3,672,135,967,979,701.50 - Step 5: Solve for x
x = 3,672,135,967,979,701.50/62,903,759.41 - Step 6: Final answer
x = 58,377,050.95
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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.