Finding the Fourth Proportional to 213,569,796.18, 294,737,762.11 and 119,478,330.13
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Solution
The fourth proportional to 213,569,796.18, 294,737,762.11 and 119,478,330.13 is: 164,886,497.40
Step by Step Solution
- Step 1: Write the proportion equation
213,569,796.18 : 294,737,762.11 = 119,478,330.13 : x - Step 2: Convert to fraction form
213,569,796.18/294,737,762.11 = 119,478,330.13/x - Step 3: Cross multiply
213,569,796.18x = 294,737,762.11 × 119,478,330.13 - Step 4: Simplify right side
213,569,796.18x = 35,214,775,642,558,596 - Step 5: Solve for x
x = 35,214,775,642,558,596/213,569,796.18 - Step 6: Final answer
x = 164,886,497.40
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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.