Finding the Fourth Proportional to 278,364,177.90, 417,546,266.85 and 96,611,355.90
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Solution
The fourth proportional to 278,364,177.90, 417,546,266.85 and 96,611,355.90 is: 144,917,033.85
Step by Step Solution
- Step 1: Write the proportion equation
278,364,177.90 : 417,546,266.85 = 96,611,355.90 : x - Step 2: Convert to fraction form
278,364,177.90/417,546,266.85 = 96,611,355.90/x - Step 3: Cross multiply
278,364,177.90x = 417,546,266.85 × 96,611,355.90 - Step 4: Simplify right side
278,364,177.90x = 40,339,710,991,361,728 - Step 5: Solve for x
x = 40,339,710,991,361,728/278,364,177.90 - Step 6: Final answer
x = 144,917,033.85
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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.