Finding the Fourth Proportional to 145,866,240.52, 201,293,043.30 and 79,786,160.68
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Solution
The fourth proportional to 145,866,240.52, 201,293,043.30 and 79,786,160.68 is: 110,103,606.15
Step by Step Solution
- Step 1: Write the proportion equation
145,866,240.52 : 201,293,043.30 = 79,786,160.68 : x - Step 2: Convert to fraction form
145,866,240.52/201,293,043.30 = 79,786,160.68/x - Step 3: Cross multiply
145,866,240.52x = 201,293,043.30 × 79,786,160.68 - Step 4: Simplify right side
145,866,240.52x = 16,060,399,096,500,000 - Step 5: Solve for x
x = 16,060,399,096,500,000/145,866,240.52 - Step 6: Final answer
x = 110,103,606.15
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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.