Finding the Fourth Proportional to 227,416,181.28, 313,834,330.08 and 122,994,252.60
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Solution
The fourth proportional to 227,416,181.28, 313,834,330.08 and 122,994,252.60 is: 169,732,068.54
Step by Step Solution
- Step 1: Write the proportion equation
227,416,181.28 : 313,834,330.08 = 122,994,252.60 : x - Step 2: Convert to fraction form
227,416,181.28/313,834,330.08 = 122,994,252.60/x - Step 3: Cross multiply
227,416,181.28x = 313,834,330.08 × 122,994,252.60 - Step 4: Simplify right side
227,416,181.28x = 38,599,818,868,411,296 - Step 5: Solve for x
x = 38,599,818,868,411,296/227,416,181.28 - Step 6: Final answer
x = 169,732,068.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.