Finding the Fourth Proportional to 76,029,030.63, 114,054,926.74 and 27,518,234.49
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Solution
The fourth proportional to 76,029,030.63, 114,054,926.74 and 27,518,234.49 is: 41,281,470.94
Step by Step Solution
- Step 1: Write the proportion equation
76,029,030.63 : 114,054,926.74 = 27,518,234.49 : x - Step 2: Convert to fraction form
76,029,030.63/114,054,926.74 = 27,518,234.49/x - Step 3: Cross multiply
76,029,030.63x = 114,054,926.74 × 27,518,234.49 - Step 4: Simplify right side
76,029,030.63x = 3,138,590,218,779,897 - Step 5: Solve for x
x = 3,138,590,218,779,897/76,029,030.63 - Step 6: Final answer
x = 41,281,470.94
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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.