Finding the Fourth Proportional to 105,205,119.57, 145,187,548.73 and 58,795,372.12
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Solution
The fourth proportional to 105,205,119.57, 145,187,548.73 and 58,795,372.12 is: 81,140,119.32
Step by Step Solution
- Step 1: Write the proportion equation
105,205,119.57 : 145,187,548.73 = 58,795,372.12 : x - Step 2: Convert to fraction form
105,205,119.57/145,187,548.73 = 58,795,372.12/x - Step 3: Cross multiply
105,205,119.57x = 145,187,548.73 × 58,795,372.12 - Step 4: Simplify right side
105,205,119.57x = 8,536,355,954,770,982 - Step 5: Solve for x
x = 8,536,355,954,770,982/105,205,119.57 - Step 6: Final answer
x = 81,140,119.32
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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.