Finding the Fourth Proportional to 117,358,244.20, 176,037,366.30 and 108,288,317.80
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Solution
The fourth proportional to 117,358,244.20, 176,037,366.30 and 108,288,317.80 is: 162,432,476.70
Step by Step Solution
- Step 1: Write the proportion equation
117,358,244.20 : 176,037,366.30 = 108,288,317.80 : x - Step 2: Convert to fraction form
117,358,244.20/176,037,366.30 = 108,288,317.80/x - Step 3: Cross multiply
117,358,244.20x = 176,037,366.30 × 108,288,317.80 - Step 4: Simplify right side
117,358,244.20x = 19,062,790,266,569,412 - Step 5: Solve for x
x = 19,062,790,266,569,412/117,358,244.20 - Step 6: Final answer
x = 162,432,476.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.