Finding the Fourth Proportional to 66,409,199.34, 91,645,013.37 and 36,639,845.88
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Solution
The fourth proportional to 66,409,199.34, 91,645,013.37 and 36,639,845.88 is: 50,563,162.92
Step by Step Solution
- Step 1: Write the proportion equation
66,409,199.34 : 91,645,013.37 = 36,639,845.88 : x - Step 2: Convert to fraction form
66,409,199.34/91,645,013.37 = 36,639,845.88/x - Step 3: Cross multiply
66,409,199.34x = 91,645,013.37 × 36,639,845.88 - Step 4: Simplify right side
66,409,199.34x = 3,357,859,165,547,340 - Step 5: Solve for x
x = 3,357,859,165,547,340/66,409,199.34 - Step 6: Final answer
x = 50,563,162.92
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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.