Finding the Fourth Proportional to 146,689,165.20, 202,386,903.57 and 87,930,391.04
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Solution
The fourth proportional to 146,689,165.20, 202,386,903.57 and 87,930,391.04 is: 121,317,478.00
Step by Step Solution
- Step 1: Write the proportion equation
146,689,165.20 : 202,386,903.57 = 87,930,391.04 : x - Step 2: Convert to fraction form
146,689,165.20/202,386,903.57 = 87,930,391.04/x - Step 3: Cross multiply
146,689,165.20x = 202,386,903.57 × 87,930,391.04 - Step 4: Simplify right side
146,689,165.20x = 17,795,959,571,272,936 - Step 5: Solve for x
x = 17,795,959,571,272,936/146,689,165.20 - Step 6: Final answer
x = 121,317,478.00
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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.