Finding the Fourth Proportional to 227,026,784.47, 313,296,950.58 and 122,604,845.74
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Solution
The fourth proportional to 227,026,784.47, 313,296,950.58 and 122,604,845.74 is: 169,194,680.65
Step by Step Solution
- Step 1: Write the proportion equation
227,026,784.47 : 313,296,950.58 = 122,604,845.74 : x - Step 2: Convert to fraction form
227,026,784.47/313,296,950.58 = 122,604,845.74/x - Step 3: Cross multiply
227,026,784.47x = 313,296,950.58 × 122,604,845.74 - Step 4: Simplify right side
227,026,784.47x = 38,411,724,296,673,296 - Step 5: Solve for x
x = 38,411,724,296,673,296/227,026,784.47 - Step 6: Final answer
x = 169,194,680.65
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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.