Finding the Fourth Proportional to 98,332,188.64, 135,698,447.48 and 54,279,216.18
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Solution
The fourth proportional to 98,332,188.64, 135,698,447.48 and 54,279,216.18 is: 74,905,333.32
Step by Step Solution
- Step 1: Write the proportion equation
98,332,188.64 : 135,698,447.48 = 54,279,216.18 : x - Step 2: Convert to fraction form
98,332,188.64/135,698,447.48 = 54,279,216.18/x - Step 3: Cross multiply
98,332,188.64x = 135,698,447.48 × 54,279,216.18 - Step 4: Simplify right side
98,332,188.64x = 7,365,605,365,785,900 - Step 5: Solve for x
x = 7,365,605,365,785,900/98,332,188.64 - Step 6: Final answer
x = 74,905,333.32
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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.