Finding the Fourth Proportional to 221,284,809.60, 331,927,214.40 and 106,493,553.60
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Solution
The fourth proportional to 221,284,809.60, 331,927,214.40 and 106,493,553.60 is: 159,740,330.40
Step by Step Solution
- Step 1: Write the proportion equation
221,284,809.60 : 331,927,214.40 = 106,493,553.60 : x - Step 2: Convert to fraction form
221,284,809.60/331,927,214.40 = 106,493,553.60/x - Step 3: Cross multiply
221,284,809.60x = 331,927,214.40 × 106,493,553.60 - Step 4: Simplify right side
221,284,809.60x = 35,348,108,598,005,088 - Step 5: Solve for x
x = 35,348,108,598,005,088/221,284,809.60 - Step 6: Final answer
x = 159,740,330.40
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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.