Finding the Fourth Proportional to 105,205,119.70, 145,187,548.90 and 58,795,372.26
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Solution
The fourth proportional to 105,205,119.70, 145,187,548.90 and 58,795,372.26 is: 81,140,119.50
Step by Step Solution
- Step 1: Write the proportion equation
105,205,119.70 : 145,187,548.90 = 58,795,372.26 : x - Step 2: Convert to fraction form
105,205,119.70/145,187,548.90 = 58,795,372.26/x - Step 3: Cross multiply
105,205,119.70x = 145,187,548.90 × 58,795,372.26 - Step 4: Simplify right side
105,205,119.70x = 8,536,355,984,366,517 - Step 5: Solve for x
x = 8,536,355,984,366,517/105,205,119.70 - Step 6: Final answer
x = 81,140,119.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.