Finding the Fourth Proportional to 68,226,585.93, 102,310,748.06 and 39,492,555.21
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Solution
The fourth proportional to 68,226,585.93, 102,310,748.06 and 39,492,555.21 is: 59,221,970.60
Step by Step Solution
- Step 1: Write the proportion equation
68,226,585.93 : 102,310,748.06 = 39,492,555.21 : x - Step 2: Convert to fraction form
68,226,585.93/102,310,748.06 = 39,492,555.21/x - Step 3: Cross multiply
68,226,585.93x = 102,310,748.06 × 39,492,555.21 - Step 4: Simplify right side
68,226,585.93x = 4,040,512,866,138,488 - Step 5: Solve for x
x = 4,040,512,866,138,488/68,226,585.93 - Step 6: Final answer
x = 59,221,970.60
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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.