Finding the Fourth Proportional to 98,332,192.64, 135,698,453 and 54,279,220.18
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Solution
The fourth proportional to 98,332,192.64, 135,698,453 and 54,279,220.18 is: 74,905,338.84
Step by Step Solution
- Step 1: Write the proportion equation
98,332,192.64 : 135,698,453 = 54,279,220.18 : x - Step 2: Convert to fraction form
98,332,192.64/135,698,453 = 54,279,220.18/x - Step 3: Cross multiply
98,332,192.64x = 135,698,453 × 54,279,220.18 - Step 4: Simplify right side
98,332,192.64x = 7,365,606,208,472,381 - Step 5: Solve for x
x = 7,365,606,208,472,381/98,332,192.64 - Step 6: Final answer
x = 74,905,338.84
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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.