Finding the Fourth Proportional to 231,603,582.30, 347,416,546.05 and 76,153,948.71
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Solution
The fourth proportional to 231,603,582.30, 347,416,546.05 and 76,153,948.71 is: 114,234,596.75
Step by Step Solution
- Step 1: Write the proportion equation
231,603,582.30 : 347,416,546.05 = 76,153,948.71 : x - Step 2: Convert to fraction form
231,603,582.30/347,416,546.05 = 76,153,948.71/x - Step 3: Cross multiply
231,603,582.30x = 347,416,546.05 × 76,153,948.71 - Step 4: Simplify right side
231,603,582.30x = 26,457,141,828,897,052 - Step 5: Solve for x
x = 26,457,141,828,897,052/231,603,582.30 - Step 6: Final answer
x = 114,234,596.75
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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.