Finding the Fourth Proportional to 68,278,319.65, 102,417,479.48 and 68,278,319.65
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Solution
The fourth proportional to 68,278,319.65, 102,417,479.48 and 68,278,319.65 is: 102,417,479.48
Step by Step Solution
- Step 1: Write the proportion equation
68,278,319.65 : 102,417,479.48 = 68,278,319.65 : x - Step 2: Convert to fraction form
68,278,319.65/102,417,479.48 = 68,278,319.65/x - Step 3: Cross multiply
68,278,319.65x = 102,417,479.48 × 68,278,319.65 - Step 4: Simplify right side
68,278,319.65x = 6,992,893,401,682,757 - Step 5: Solve for x
x = 6,992,893,401,682,757/68,278,319.65 - Step 6: Final answer
x = 102,417,479.48
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1.5x scale
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.